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Finding the Fourth Proportional to 1,777.38, 2,452.02 and 1,030.80

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Solution

The fourth proportional to 1,777.38, 2,452.02 and 1,030.80 is: 1,422.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,777.38 : 2,452.02 = 1,030.80 : x
  2. Step 2: Convert to fraction form
    1,777.38/2,452.02 = 1,030.80/x
  3. Step 3: Cross multiply
    1,777.38x = 2,452.02 × 1,030.80
  4. Step 4: Simplify right side
    1,777.38x = 2,527,542.22
  5. Step 5: Solve for x
    x = 2,527,542.22/1,777.38
  6. Step 6: Final answer
    x = 1,422.06

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1.5x scale

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.