Home / 3,411.18-5,112.87-1,657.87

Finding the Fourth Proportional to 3,411.18, 5,112.87 and 1,657.87

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Solution

The fourth proportional to 3,411.18, 5,112.87 and 1,657.87 is: 2,484.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,411.18 : 5,112.87 = 1,657.87 : x
  2. Step 2: Convert to fraction form
    3,411.18/5,112.87 = 1,657.87/x
  3. Step 3: Cross multiply
    3,411.18x = 5,112.87 × 1,657.87
  4. Step 4: Simplify right side
    3,411.18x = 8,476,474.28
  5. Step 5: Solve for x
    x = 8,476,474.28/3,411.18
  6. Step 6: Final answer
    x = 2,484.91

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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.