Home / 2,077.33-3,116.90-1,103.20

Finding the Fourth Proportional to 2,077.33, 3,116.90 and 1,103.20

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Solution

The fourth proportional to 2,077.33, 3,116.90 and 1,103.20 is: 1,655.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,077.33 : 3,116.90 = 1,103.20 : x
  2. Step 2: Convert to fraction form
    2,077.33/3,116.90 = 1,103.20/x
  3. Step 3: Cross multiply
    2,077.33x = 3,116.90 × 1,103.20
  4. Step 4: Simplify right side
    2,077.33x = 3,438,564.08
  5. Step 5: Solve for x
    x = 3,438,564.08/2,077.33
  6. Step 6: Final answer
    x = 1,655.28

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1.5x scale

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.