Home / 1,655.24-2,280.29-1,156.95

Finding the Fourth Proportional to 1,655.24, 2,280.29 and 1,156.95

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Solution

The fourth proportional to 1,655.24, 2,280.29 and 1,156.95 is: 1,593.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,655.24 : 2,280.29 = 1,156.95 : x
  2. Step 2: Convert to fraction form
    1,655.24/2,280.29 = 1,156.95/x
  3. Step 3: Cross multiply
    1,655.24x = 2,280.29 × 1,156.95
  4. Step 4: Simplify right side
    1,655.24x = 2,638,175.73
  5. Step 5: Solve for x
    x = 2,638,175.73/1,655.24
  6. Step 6: Final answer
    x = 1,593.84

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.