Home / 2,538.39-3,802.12-1,237.13

Finding the Fourth Proportional to 2,538.39, 3,802.12 and 1,237.13

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Solution

The fourth proportional to 2,538.39, 3,802.12 and 1,237.13 is: 1,853.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,538.39 : 3,802.12 = 1,237.13 : x
  2. Step 2: Convert to fraction form
    2,538.39/3,802.12 = 1,237.13/x
  3. Step 3: Cross multiply
    2,538.39x = 3,802.12 × 1,237.13
  4. Step 4: Simplify right side
    2,538.39x = 4,703,694.61
  5. Step 5: Solve for x
    x = 4,703,694.61/2,538.39
  6. Step 6: Final answer
    x = 1,853.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.