Home / 4,041.71-6,061.88-1,120.31

Finding the Fourth Proportional to 4,041.71, 6,061.88 and 1,120.31

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Solution

The fourth proportional to 4,041.71, 6,061.88 and 1,120.31 is: 1,680.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,041.71 : 6,061.88 = 1,120.31 : x
  2. Step 2: Convert to fraction form
    4,041.71/6,061.88 = 1,120.31/x
  3. Step 3: Cross multiply
    4,041.71x = 6,061.88 × 1,120.31
  4. Step 4: Simplify right side
    4,041.71x = 6,791,148.87
  5. Step 5: Solve for x
    x = 6,791,148.87/4,041.71
  6. Step 6: Final answer
    x = 1,680.27

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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.