Home / 3,545.02-5,317.53-1,984.15

Finding the Fourth Proportional to 3,545.02, 5,317.53 and 1,984.15

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Solution

The fourth proportional to 3,545.02, 5,317.53 and 1,984.15 is: 2,976.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,545.02 : 5,317.53 = 1,984.15 : x
  2. Step 2: Convert to fraction form
    3,545.02/5,317.53 = 1,984.15/x
  3. Step 3: Cross multiply
    3,545.02x = 5,317.53 × 1,984.15
  4. Step 4: Simplify right side
    3,545.02x = 10,550,777.15
  5. Step 5: Solve for x
    x = 10,550,777.15/3,545.02
  6. Step 6: Final answer
    x = 2,976.23

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.