Home / 2,503.91-3,753.34-1,680.28

Finding the Fourth Proportional to 2,503.91, 3,753.34 and 1,680.28

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Solution

The fourth proportional to 2,503.91, 3,753.34 and 1,680.28 is: 2,518.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,503.91 : 3,753.34 = 1,680.28 : x
  2. Step 2: Convert to fraction form
    2,503.91/3,753.34 = 1,680.28/x
  3. Step 3: Cross multiply
    2,503.91x = 3,753.34 × 1,680.28
  4. Step 4: Simplify right side
    2,503.91x = 6,306,648.55
  5. Step 5: Solve for x
    x = 6,306,648.55/2,503.91
  6. Step 6: Final answer
    x = 2,518.72

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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.