Home / 2,483.40-3,721.95-1,251.15

Finding the Fourth Proportional to 2,483.40, 3,721.95 and 1,251.15

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Solution

The fourth proportional to 2,483.40, 3,721.95 and 1,251.15 is: 1,875.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,483.40 : 3,721.95 = 1,251.15 : x
  2. Step 2: Convert to fraction form
    2,483.40/3,721.95 = 1,251.15/x
  3. Step 3: Cross multiply
    2,483.40x = 3,721.95 × 1,251.15
  4. Step 4: Simplify right side
    2,483.40x = 4,656,717.74
  5. Step 5: Solve for x
    x = 4,656,717.74/2,483.40
  6. Step 6: Final answer
    x = 1,875.14

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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.