Home / 2,939.04-4,430.40-2,531.52

Finding the Fourth Proportional to 2,939.04, 4,430.40 and 2,531.52

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Solution

The fourth proportional to 2,939.04, 4,430.40 and 2,531.52 is: 3,816.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,939.04 : 4,430.40 = 2,531.52 : x
  2. Step 2: Convert to fraction form
    2,939.04/4,430.40 = 2,531.52/x
  3. Step 3: Cross multiply
    2,939.04x = 4,430.40 × 2,531.52
  4. Step 4: Simplify right side
    2,939.04x = 11,215,646.21
  5. Step 5: Solve for x
    x = 11,215,646.21/2,939.04
  6. Step 6: Final answer
    x = 3,816.09

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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.