Home / 2,951.34-4,427.66-977.57

Finding the Fourth Proportional to 2,951.34, 4,427.66 and 977.57

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Solution

The fourth proportional to 2,951.34, 4,427.66 and 977.57 is: 1,466.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,951.34 : 4,427.66 = 977.57 : x
  2. Step 2: Convert to fraction form
    2,951.34/4,427.66 = 977.57/x
  3. Step 3: Cross multiply
    2,951.34x = 4,427.66 × 977.57
  4. Step 4: Simplify right side
    2,951.34x = 4,328,347.59
  5. Step 5: Solve for x
    x = 4,328,347.59/2,951.34
  6. Step 6: Final answer
    x = 1,466.57

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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.