Home / 2,197.46-3,032.69-1,358.70

Finding the Fourth Proportional to 2,197.46, 3,032.69 and 1,358.70

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Solution

The fourth proportional to 2,197.46, 3,032.69 and 1,358.70 is: 1,875.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,197.46 : 3,032.69 = 1,358.70 : x
  2. Step 2: Convert to fraction form
    2,197.46/3,032.69 = 1,358.70/x
  3. Step 3: Cross multiply
    2,197.46x = 3,032.69 × 1,358.70
  4. Step 4: Simplify right side
    2,197.46x = 4,120,515.90
  5. Step 5: Solve for x
    x = 4,120,515.90/2,197.46
  6. Step 6: Final answer
    x = 1,875.13

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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.