Home / 2,197.62-3,031.35-1,358.58

Finding the Fourth Proportional to 2,197.62, 3,031.35 and 1,358.58

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Solution

The fourth proportional to 2,197.62, 3,031.35 and 1,358.58 is: 1,874.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,197.62 : 3,031.35 = 1,358.58 : x
  2. Step 2: Convert to fraction form
    2,197.62/3,031.35 = 1,358.58/x
  3. Step 3: Cross multiply
    2,197.62x = 3,031.35 × 1,358.58
  4. Step 4: Simplify right side
    2,197.62x = 4,118,331.48
  5. Step 5: Solve for x
    x = 4,118,331.48/2,197.62
  6. Step 6: Final answer
    x = 1,874.00

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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.