Home / 1,747.17-2,620.58-514.53

Finding the Fourth Proportional to 1,747.17, 2,620.58 and 514.53

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Solution

The fourth proportional to 1,747.17, 2,620.58 and 514.53 is: 771.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,747.17 : 2,620.58 = 514.53 : x
  2. Step 2: Convert to fraction form
    1,747.17/2,620.58 = 514.53/x
  3. Step 3: Cross multiply
    1,747.17x = 2,620.58 × 514.53
  4. Step 4: Simplify right side
    1,747.17x = 1,348,364.45
  5. Step 5: Solve for x
    x = 1,348,364.45/1,747.17
  6. Step 6: Final answer
    x = 771.74

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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.