Home / 3,432.81-5,147.99-1,483.95

Finding the Fourth Proportional to 3,432.81, 5,147.99 and 1,483.95

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Solution

The fourth proportional to 3,432.81, 5,147.99 and 1,483.95 is: 2,225.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,432.81 : 5,147.99 = 1,483.95 : x
  2. Step 2: Convert to fraction form
    3,432.81/5,147.99 = 1,483.95/x
  3. Step 3: Cross multiply
    3,432.81x = 5,147.99 × 1,483.95
  4. Step 4: Simplify right side
    3,432.81x = 7,639,356.60
  5. Step 5: Solve for x
    x = 7,639,356.60/3,432.81
  6. Step 6: Final answer
    x = 2,225.40

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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.