Home / 1,726.70-2,590.57-904.87

Finding the Fourth Proportional to 1,726.70, 2,590.57 and 904.87

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Solution

The fourth proportional to 1,726.70, 2,590.57 and 904.87 is: 1,357.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,726.70 : 2,590.57 = 904.87 : x
  2. Step 2: Convert to fraction form
    1,726.70/2,590.57 = 904.87/x
  3. Step 3: Cross multiply
    1,726.70x = 2,590.57 × 904.87
  4. Step 4: Simplify right side
    1,726.70x = 2,344,132.17
  5. Step 5: Solve for x
    x = 2,344,132.17/1,726.70
  6. Step 6: Final answer
    x = 1,357.58

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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.