Home / 1,975.16-2,962.92-1,402.76

Finding the Fourth Proportional to 1,975.16, 2,962.92 and 1,402.76

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Solution

The fourth proportional to 1,975.16, 2,962.92 and 1,402.76 is: 2,104.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,975.16 : 2,962.92 = 1,402.76 : x
  2. Step 2: Convert to fraction form
    1,975.16/2,962.92 = 1,402.76/x
  3. Step 3: Cross multiply
    1,975.16x = 2,962.92 × 1,402.76
  4. Step 4: Simplify right side
    1,975.16x = 4,156,265.66
  5. Step 5: Solve for x
    x = 4,156,265.66/1,975.16
  6. Step 6: Final answer
    x = 2,104.27

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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.