Home / 3,708.06-5,117.34-2,136.18

Finding the Fourth Proportional to 3,708.06, 5,117.34 and 2,136.18

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Solution

The fourth proportional to 3,708.06, 5,117.34 and 2,136.18 is: 2,948.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,708.06 : 5,117.34 = 2,136.18 : x
  2. Step 2: Convert to fraction form
    3,708.06/5,117.34 = 2,136.18/x
  3. Step 3: Cross multiply
    3,708.06x = 5,117.34 × 2,136.18
  4. Step 4: Simplify right side
    3,708.06x = 10,931,559.36
  5. Step 5: Solve for x
    x = 10,931,559.36/3,708.06
  6. Step 6: Final answer
    x = 2,948.05

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Half scale
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Double scale
Find fourth proportional to 3,709.06, 5,118.72 and 2,137.18
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.