Home / 2,197.04-3,031.91-1,202.32

Finding the Fourth Proportional to 2,197.04, 3,031.91 and 1,202.32

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Solution

The fourth proportional to 2,197.04, 3,031.91 and 1,202.32 is: 1,659.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,197.04 : 3,031.91 = 1,202.32 : x
  2. Step 2: Convert to fraction form
    2,197.04/3,031.91 = 1,202.32/x
  3. Step 3: Cross multiply
    2,197.04x = 3,031.91 × 1,202.32
  4. Step 4: Simplify right side
    2,197.04x = 3,645,312.44
  5. Step 5: Solve for x
    x = 3,645,312.44/2,197.04
  6. Step 6: Final answer
    x = 1,659.20

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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.