Home / 2,874.50-4,312.52-1,557.95

Finding the Fourth Proportional to 2,874.50, 4,312.52 and 1,557.95

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Solution

The fourth proportional to 2,874.50, 4,312.52 and 1,557.95 is: 2,337.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,874.50 : 4,312.52 = 1,557.95 : x
  2. Step 2: Convert to fraction form
    2,874.50/4,312.52 = 1,557.95/x
  3. Step 3: Cross multiply
    2,874.50x = 4,312.52 × 1,557.95
  4. Step 4: Simplify right side
    2,874.50x = 6,718,661.18
  5. Step 5: Solve for x
    x = 6,718,661.18/2,874.50
  6. Step 6: Final answer
    x = 2,337.34

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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.