Home / 2,209.59-3,029.45-2,170.13

Finding the Fourth Proportional to 2,209.59, 3,029.45 and 2,170.13

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Solution

The fourth proportional to 2,209.59, 3,029.45 and 2,170.13 is: 2,975.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,209.59 : 3,029.45 = 2,170.13 : x
  2. Step 2: Convert to fraction form
    2,209.59/3,029.45 = 2,170.13/x
  3. Step 3: Cross multiply
    2,209.59x = 3,029.45 × 2,170.13
  4. Step 4: Simplify right side
    2,209.59x = 6,574,300.33
  5. Step 5: Solve for x
    x = 6,574,300.33/2,209.59
  6. Step 6: Final answer
    x = 2,975.35

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Half scale
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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.