Home / 3,084.32-4,627.02-1,440.02

Finding the Fourth Proportional to 3,084.32, 4,627.02 and 1,440.02

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Solution

The fourth proportional to 3,084.32, 4,627.02 and 1,440.02 is: 2,160.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,084.32 : 4,627.02 = 1,440.02 : x
  2. Step 2: Convert to fraction form
    3,084.32/4,627.02 = 1,440.02/x
  3. Step 3: Cross multiply
    3,084.32x = 4,627.02 × 1,440.02
  4. Step 4: Simplify right side
    3,084.32x = 6,663,001.34
  5. Step 5: Solve for x
    x = 6,663,001.34/3,084.32
  6. Step 6: Final answer
    x = 2,160.28

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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.