Home / 1,440.10-2,160.15-466.18

Finding the Fourth Proportional to 1,440.10, 2,160.15 and 466.18

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Solution

The fourth proportional to 1,440.10, 2,160.15 and 466.18 is: 699.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,440.10 : 2,160.15 = 466.18 : x
  2. Step 2: Convert to fraction form
    1,440.10/2,160.15 = 466.18/x
  3. Step 3: Cross multiply
    1,440.10x = 2,160.15 × 466.18
  4. Step 4: Simplify right side
    1,440.10x = 1,007,018.73
  5. Step 5: Solve for x
    x = 1,007,018.73/1,440.10
  6. Step 6: Final answer
    x = 699.27

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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.