Home / 1,726.07-2,381.27-1,202.40

Finding the Fourth Proportional to 1,726.07, 2,381.27 and 1,202.40

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Solution

The fourth proportional to 1,726.07, 2,381.27 and 1,202.40 is: 1,658.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,726.07 : 2,381.27 = 1,202.40 : x
  2. Step 2: Convert to fraction form
    1,726.07/2,381.27 = 1,202.40/x
  3. Step 3: Cross multiply
    1,726.07x = 2,381.27 × 1,202.40
  4. Step 4: Simplify right side
    1,726.07x = 2,863,233.04
  5. Step 5: Solve for x
    x = 2,863,233.04/1,726.07
  6. Step 6: Final answer
    x = 1,658.82

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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.