Home / 1,758.78-2,427.18-1,059.75

Finding the Fourth Proportional to 1,758.78, 2,427.18 and 1,059.75

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Solution

The fourth proportional to 1,758.78, 2,427.18 and 1,059.75 is: 1,462.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,758.78 : 2,427.18 = 1,059.75 : x
  2. Step 2: Convert to fraction form
    1,758.78/2,427.18 = 1,059.75/x
  3. Step 3: Cross multiply
    1,758.78x = 2,427.18 × 1,059.75
  4. Step 4: Simplify right side
    1,758.78x = 2,572,204.01
  5. Step 5: Solve for x
    x = 2,572,204.01/1,758.78
  6. Step 6: Final answer
    x = 1,462.49

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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.