Home / 1,774.17-2,655.78-1,156.55

Finding the Fourth Proportional to 1,774.17, 2,655.78 and 1,156.55

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Solution

The fourth proportional to 1,774.17, 2,655.78 and 1,156.55 is: 1,731.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,774.17 : 2,655.78 = 1,156.55 : x
  2. Step 2: Convert to fraction form
    1,774.17/2,655.78 = 1,156.55/x
  3. Step 3: Cross multiply
    1,774.17x = 2,655.78 × 1,156.55
  4. Step 4: Simplify right side
    1,774.17x = 3,071,529.08
  5. Step 5: Solve for x
    x = 3,071,529.08/1,774.17
  6. Step 6: Final answer
    x = 1,731.25

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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.