Home / 3,726.98-5,590.14-1,261.74

Finding the Fourth Proportional to 3,726.98, 5,590.14 and 1,261.74

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Solution

The fourth proportional to 3,726.98, 5,590.14 and 1,261.74 is: 1,892.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,726.98 : 5,590.14 = 1,261.74 : x
  2. Step 2: Convert to fraction form
    3,726.98/5,590.14 = 1,261.74/x
  3. Step 3: Cross multiply
    3,726.98x = 5,590.14 × 1,261.74
  4. Step 4: Simplify right side
    3,726.98x = 7,053,303.24
  5. Step 5: Solve for x
    x = 7,053,303.24/3,726.98
  6. Step 6: Final answer
    x = 1,892.50

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Half scale
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Double scale
Find fourth proportional to 3,727.98, 5,591.64 and 1,262.74
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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.