Home / 3,098.72-4,666.40-2,239.04

Finding the Fourth Proportional to 3,098.72, 4,666.40 and 2,239.04

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Solution

The fourth proportional to 3,098.72, 4,666.40 and 2,239.04 is: 3,371.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,098.72 : 4,666.40 = 2,239.04 : x
  2. Step 2: Convert to fraction form
    3,098.72/4,666.40 = 2,239.04/x
  3. Step 3: Cross multiply
    3,098.72x = 4,666.40 × 2,239.04
  4. Step 4: Simplify right side
    3,098.72x = 10,448,256.26
  5. Step 5: Solve for x
    x = 10,448,256.26/3,098.72
  6. Step 6: Final answer
    x = 3,371.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.