Home / 3,726.77-5,589.71-1,261.58

Finding the Fourth Proportional to 3,726.77, 5,589.71 and 1,261.58

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Solution

The fourth proportional to 3,726.77, 5,589.71 and 1,261.58 is: 1,892.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,726.77 : 5,589.71 = 1,261.58 : x
  2. Step 2: Convert to fraction form
    3,726.77/5,589.71 = 1,261.58/x
  3. Step 3: Cross multiply
    3,726.77x = 5,589.71 × 1,261.58
  4. Step 4: Simplify right side
    3,726.77x = 7,051,866.34
  5. Step 5: Solve for x
    x = 7,051,866.34/3,726.77
  6. Step 6: Final answer
    x = 1,892.22

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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.