Home / 2,353.62-3,247.97-1,358.86

Finding the Fourth Proportional to 2,353.62, 3,247.97 and 1,358.86

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Solution

The fourth proportional to 2,353.62, 3,247.97 and 1,358.86 is: 1,875.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,353.62 : 3,247.97 = 1,358.86 : x
  2. Step 2: Convert to fraction form
    2,353.62/3,247.97 = 1,358.86/x
  3. Step 3: Cross multiply
    2,353.62x = 3,247.97 × 1,358.86
  4. Step 4: Simplify right side
    2,353.62x = 4,413,536.51
  5. Step 5: Solve for x
    x = 4,413,536.51/2,353.62
  6. Step 6: Final answer
    x = 1,875.21

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1.5x scale

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.