Home / 1,747.24-2,620.56-577.24

Finding the Fourth Proportional to 1,747.24, 2,620.56 and 577.24

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Solution

The fourth proportional to 1,747.24, 2,620.56 and 577.24 is: 865.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,747.24 : 2,620.56 = 577.24 : x
  2. Step 2: Convert to fraction form
    1,747.24/2,620.56 = 577.24/x
  3. Step 3: Cross multiply
    1,747.24x = 2,620.56 × 577.24
  4. Step 4: Simplify right side
    1,747.24x = 1,512,692.05
  5. Step 5: Solve for x
    x = 1,512,692.05/1,747.24
  6. Step 6: Final answer
    x = 865.76

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1.5x scale

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.