Home / 1,440.47-2,158.95-617.00

Finding the Fourth Proportional to 1,440.47, 2,158.95 and 617.00

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Solution

The fourth proportional to 1,440.47, 2,158.95 and 617.00 is: 924.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,440.47 : 2,158.95 = 617.00 : x
  2. Step 2: Convert to fraction form
    1,440.47/2,158.95 = 617.00/x
  3. Step 3: Cross multiply
    1,440.47x = 2,158.95 × 617.00
  4. Step 4: Simplify right side
    1,440.47x = 1,332,061.36
  5. Step 5: Solve for x
    x = 1,332,061.36/1,440.47
  6. Step 6: Final answer
    x = 924.74

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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.