Home / 3,726.47-5,591.93-1,386.08

Finding the Fourth Proportional to 3,726.47, 5,591.93 and 1,386.08

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Solution

The fourth proportional to 3,726.47, 5,591.93 and 1,386.08 is: 2,079.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,726.47 : 5,591.93 = 1,386.08 : x
  2. Step 2: Convert to fraction form
    3,726.47/5,591.93 = 1,386.08/x
  3. Step 3: Cross multiply
    3,726.47x = 5,591.93 × 1,386.08
  4. Step 4: Simplify right side
    3,726.47x = 7,750,827.44
  5. Step 5: Solve for x
    x = 7,750,827.44/3,726.47
  6. Step 6: Final answer
    x = 2,079.94

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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.