Home / 3,801.40-5,248.30-2,457.71

Finding the Fourth Proportional to 3,801.40, 5,248.30 and 2,457.71

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Solution

The fourth proportional to 3,801.40, 5,248.30 and 2,457.71 is: 3,393.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,801.40 : 5,248.30 = 2,457.71 : x
  2. Step 2: Convert to fraction form
    3,801.40/5,248.30 = 2,457.71/x
  3. Step 3: Cross multiply
    3,801.40x = 5,248.30 × 2,457.71
  4. Step 4: Simplify right side
    3,801.40x = 12,898,799.39
  5. Step 5: Solve for x
    x = 12,898,799.39/3,801.40
  6. Step 6: Final answer
    x = 3,393.17

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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.