Home / 1,259.19-1,737.33-1,060.80

Finding the Fourth Proportional to 1,259.19, 1,737.33 and 1,060.80

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Solution

The fourth proportional to 1,259.19, 1,737.33 and 1,060.80 is: 1,463.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,259.19 : 1,737.33 = 1,060.80 : x
  2. Step 2: Convert to fraction form
    1,259.19/1,737.33 = 1,060.80/x
  3. Step 3: Cross multiply
    1,259.19x = 1,737.33 × 1,060.80
  4. Step 4: Simplify right side
    1,259.19x = 1,842,959.66
  5. Step 5: Solve for x
    x = 1,842,959.66/1,259.19
  6. Step 6: Final answer
    x = 1,463.61

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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.