Home / 2,432.40-3,643.98-1,608.18

Finding the Fourth Proportional to 2,432.40, 3,643.98 and 1,608.18

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Solution

The fourth proportional to 2,432.40, 3,643.98 and 1,608.18 is: 2,409.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,432.40 : 3,643.98 = 1,608.18 : x
  2. Step 2: Convert to fraction form
    2,432.40/3,643.98 = 1,608.18/x
  3. Step 3: Cross multiply
    2,432.40x = 3,643.98 × 1,608.18
  4. Step 4: Simplify right side
    2,432.40x = 5,860,175.76
  5. Step 5: Solve for x
    x = 5,860,175.76/2,432.40
  6. Step 6: Final answer
    x = 2,409.22

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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.