Home / 3,726.36-5,143.53-2,400.05

Finding the Fourth Proportional to 3,726.36, 5,143.53 and 2,400.05

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Solution

The fourth proportional to 3,726.36, 5,143.53 and 2,400.05 is: 3,312.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,726.36 : 5,143.53 = 2,400.05 : x
  2. Step 2: Convert to fraction form
    3,726.36/5,143.53 = 2,400.05/x
  3. Step 3: Cross multiply
    3,726.36x = 5,143.53 × 2,400.05
  4. Step 4: Simplify right side
    3,726.36x = 12,344,703.46
  5. Step 5: Solve for x
    x = 12,344,703.46/3,726.36
  6. Step 6: Final answer
    x = 3,312.80

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.