Home / 1,758.93-2,427.28-972.96

Finding the Fourth Proportional to 1,758.93, 2,427.28 and 972.96

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Solution

The fourth proportional to 1,758.93, 2,427.28 and 972.96 is: 1,342.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,758.93 : 2,427.28 = 972.96 : x
  2. Step 2: Convert to fraction form
    1,758.93/2,427.28 = 972.96/x
  3. Step 3: Cross multiply
    1,758.93x = 2,427.28 × 972.96
  4. Step 4: Simplify right side
    1,758.93x = 2,361,646.35
  5. Step 5: Solve for x
    x = 2,361,646.35/1,758.93
  6. Step 6: Final answer
    x = 1,342.66

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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.