Home / 3,130.52-4,692.86-1,569.56

Finding the Fourth Proportional to 3,130.52, 4,692.86 and 1,569.56

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Solution

The fourth proportional to 3,130.52, 4,692.86 and 1,569.56 is: 2,352.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,130.52 : 4,692.86 = 1,569.56 : x
  2. Step 2: Convert to fraction form
    3,130.52/4,692.86 = 1,569.56/x
  3. Step 3: Cross multiply
    3,130.52x = 4,692.86 × 1,569.56
  4. Step 4: Simplify right side
    3,130.52x = 7,365,725.34
  5. Step 5: Solve for x
    x = 7,365,725.34/3,130.52
  6. Step 6: Final answer
    x = 2,352.88

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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.