Home / 3,116.16-4,657.92-2,381.76

Finding the Fourth Proportional to 3,116.16, 4,657.92 and 2,381.76

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Solution

The fourth proportional to 3,116.16, 4,657.92 and 2,381.76 is: 3,560.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,116.16 : 4,657.92 = 2,381.76 : x
  2. Step 2: Convert to fraction form
    3,116.16/4,657.92 = 2,381.76/x
  3. Step 3: Cross multiply
    3,116.16x = 4,657.92 × 2,381.76
  4. Step 4: Simplify right side
    3,116.16x = 11,094,047.54
  5. Step 5: Solve for x
    x = 11,094,047.54/3,116.16
  6. Step 6: Final answer
    x = 3,560.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.