Home / 2,197.04-3,031.39-1,412.16

Finding the Fourth Proportional to 2,197.04, 3,031.39 and 1,412.16

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Solution

The fourth proportional to 2,197.04, 3,031.39 and 1,412.16 is: 1,948.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,197.04 : 3,031.39 = 1,412.16 : x
  2. Step 2: Convert to fraction form
    2,197.04/3,031.39 = 1,412.16/x
  3. Step 3: Cross multiply
    2,197.04x = 3,031.39 × 1,412.16
  4. Step 4: Simplify right side
    2,197.04x = 4,280,807.70
  5. Step 5: Solve for x
    x = 4,280,807.70/2,197.04
  6. Step 6: Final answer
    x = 1,948.44

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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.