Home / 2,320.95-3,480.98-1,487.62

Finding the Fourth Proportional to 2,320.95, 3,480.98 and 1,487.62

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Solution

The fourth proportional to 2,320.95, 3,480.98 and 1,487.62 is: 2,231.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,320.95 : 3,480.98 = 1,487.62 : x
  2. Step 2: Convert to fraction form
    2,320.95/3,480.98 = 1,487.62/x
  3. Step 3: Cross multiply
    2,320.95x = 3,480.98 × 1,487.62
  4. Step 4: Simplify right side
    2,320.95x = 5,178,352.80
  5. Step 5: Solve for x
    x = 5,178,352.80/2,320.95
  6. Step 6: Final answer
    x = 2,231.13

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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.