Home / 2,920.89-4,382.55-1,753.14

Finding the Fourth Proportional to 2,920.89, 4,382.55 and 1,753.14

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Solution

The fourth proportional to 2,920.89, 4,382.55 and 1,753.14 is: 2,630.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,920.89 : 4,382.55 = 1,753.14 : x
  2. Step 2: Convert to fraction form
    2,920.89/4,382.55 = 1,753.14/x
  3. Step 3: Cross multiply
    2,920.89x = 4,382.55 × 1,753.14
  4. Step 4: Simplify right side
    2,920.89x = 7,683,223.71
  5. Step 5: Solve for x
    x = 7,683,223.71/2,920.89
  6. Step 6: Final answer
    x = 2,630.44

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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.