Home / 2,221.57-3,332.08-1,397.26

Finding the Fourth Proportional to 2,221.57, 3,332.08 and 1,397.26

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Solution

The fourth proportional to 2,221.57, 3,332.08 and 1,397.26 is: 2,095.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,221.57 : 3,332.08 = 1,397.26 : x
  2. Step 2: Convert to fraction form
    2,221.57/3,332.08 = 1,397.26/x
  3. Step 3: Cross multiply
    2,221.57x = 3,332.08 × 1,397.26
  4. Step 4: Simplify right side
    2,221.57x = 4,655,782.10
  5. Step 5: Solve for x
    x = 4,655,782.10/2,221.57
  6. Step 6: Final answer
    x = 2,095.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.