Home / 2,353.61-3,247.81-1,358.93

Finding the Fourth Proportional to 2,353.61, 3,247.81 and 1,358.93

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Solution

The fourth proportional to 2,353.61, 3,247.81 and 1,358.93 is: 1,875.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,353.61 : 3,247.81 = 1,358.93 : x
  2. Step 2: Convert to fraction form
    2,353.61/3,247.81 = 1,358.93/x
  3. Step 3: Cross multiply
    2,353.61x = 3,247.81 × 1,358.93
  4. Step 4: Simplify right side
    2,353.61x = 4,413,546.44
  5. Step 5: Solve for x
    x = 4,413,546.44/2,353.61
  6. Step 6: Final answer
    x = 1,875.22

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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.