Home / 1,452.90-2,177.73-1,127.46

Finding the Fourth Proportional to 1,452.90, 2,177.73 and 1,127.46

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Solution

The fourth proportional to 1,452.90, 2,177.73 and 1,127.46 is: 1,689.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,452.90 : 2,177.73 = 1,127.46 : x
  2. Step 2: Convert to fraction form
    1,452.90/2,177.73 = 1,127.46/x
  3. Step 3: Cross multiply
    1,452.90x = 2,177.73 × 1,127.46
  4. Step 4: Simplify right side
    1,452.90x = 2,455,303.47
  5. Step 5: Solve for x
    x = 2,455,303.47/1,452.90
  6. Step 6: Final answer
    x = 1,689.93

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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.