Home / 4,098.40-5,657.28-2,776.48

Finding the Fourth Proportional to 4,098.40, 5,657.28 and 2,776.48

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Solution

The fourth proportional to 4,098.40, 5,657.28 and 2,776.48 is: 3,832.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,098.40 : 5,657.28 = 2,776.48 : x
  2. Step 2: Convert to fraction form
    4,098.40/5,657.28 = 2,776.48/x
  3. Step 3: Cross multiply
    4,098.40x = 5,657.28 × 2,776.48
  4. Step 4: Simplify right side
    4,098.40x = 15,707,324.77
  5. Step 5: Solve for x
    x = 15,707,324.77/4,098.40
  6. Step 6: Final answer
    x = 3,832.55

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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.