Home / 1,551.17-2,328.28-1,156.30

Finding the Fourth Proportional to 1,551.17, 2,328.28 and 1,156.30

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Solution

The fourth proportional to 1,551.17, 2,328.28 and 1,156.30 is: 1,735.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,551.17 : 2,328.28 = 1,156.30 : x
  2. Step 2: Convert to fraction form
    1,551.17/2,328.28 = 1,156.30/x
  3. Step 3: Cross multiply
    1,551.17x = 2,328.28 × 1,156.30
  4. Step 4: Simplify right side
    1,551.17x = 2,692,181.45
  5. Step 5: Solve for x
    x = 2,692,181.45/1,551.17
  6. Step 6: Final answer
    x = 1,735.58

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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.