Home / 3,742.36-5,158.94-2,397.81

Finding the Fourth Proportional to 3,742.36, 5,158.94 and 2,397.81

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Solution

The fourth proportional to 3,742.36, 5,158.94 and 2,397.81 is: 3,305.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,742.36 : 5,158.94 = 2,397.81 : x
  2. Step 2: Convert to fraction form
    3,742.36/5,158.94 = 2,397.81/x
  3. Step 3: Cross multiply
    3,742.36x = 5,158.94 × 2,397.81
  4. Step 4: Simplify right side
    3,742.36x = 12,370,178.77
  5. Step 5: Solve for x
    x = 12,370,178.77/3,742.36
  6. Step 6: Final answer
    x = 3,305.45

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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.