Home / 1,407.46-2,103.33-1,262.92

Finding the Fourth Proportional to 1,407.46, 2,103.33 and 1,262.92

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Solution

The fourth proportional to 1,407.46, 2,103.33 and 1,262.92 is: 1,887.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,407.46 : 2,103.33 = 1,262.92 : x
  2. Step 2: Convert to fraction form
    1,407.46/2,103.33 = 1,262.92/x
  3. Step 3: Cross multiply
    1,407.46x = 2,103.33 × 1,262.92
  4. Step 4: Simplify right side
    1,407.46x = 2,656,337.52
  5. Step 5: Solve for x
    x = 2,656,337.52/1,407.46
  6. Step 6: Final answer
    x = 1,887.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.