Home / 3,484.08-5,225.76-1,292.40

Finding the Fourth Proportional to 3,484.08, 5,225.76 and 1,292.40

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Solution

The fourth proportional to 3,484.08, 5,225.76 and 1,292.40 is: 1,938.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,484.08 : 5,225.76 = 1,292.40 : x
  2. Step 2: Convert to fraction form
    3,484.08/5,225.76 = 1,292.40/x
  3. Step 3: Cross multiply
    3,484.08x = 5,225.76 × 1,292.40
  4. Step 4: Simplify right side
    3,484.08x = 6,753,772.22
  5. Step 5: Solve for x
    x = 6,753,772.22/3,484.08
  6. Step 6: Final answer
    x = 1,938.47

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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.