Home / 3,948.27-5,448.24-2,529.45

Finding the Fourth Proportional to 3,948.27, 5,448.24 and 2,529.45

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Solution

The fourth proportional to 3,948.27, 5,448.24 and 2,529.45 is: 3,490.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,948.27 : 5,448.24 = 2,529.45 : x
  2. Step 2: Convert to fraction form
    3,948.27/5,448.24 = 2,529.45/x
  3. Step 3: Cross multiply
    3,948.27x = 5,448.24 × 2,529.45
  4. Step 4: Simplify right side
    3,948.27x = 13,781,050.67
  5. Step 5: Solve for x
    x = 13,781,050.67/3,948.27
  6. Step 6: Final answer
    x = 3,490.40

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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.