Home / 3,726.74-5,590.72-1,386.75

Finding the Fourth Proportional to 3,726.74, 5,590.72 and 1,386.75

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Solution

The fourth proportional to 3,726.74, 5,590.72 and 1,386.75 is: 2,080.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,726.74 : 5,590.72 = 1,386.75 : x
  2. Step 2: Convert to fraction form
    3,726.74/5,590.72 = 1,386.75/x
  3. Step 3: Cross multiply
    3,726.74x = 5,590.72 × 1,386.75
  4. Step 4: Simplify right side
    3,726.74x = 7,752,953.66
  5. Step 5: Solve for x
    x = 7,752,953.66/3,726.74
  6. Step 6: Final answer
    x = 2,080.36

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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.