Home / 1,472.42-2,197.61-1,448.12

Finding the Fourth Proportional to 1,472.42, 2,197.61 and 1,448.12

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Solution

The fourth proportional to 1,472.42, 2,197.61 and 1,448.12 is: 2,161.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,472.42 : 2,197.61 = 1,448.12 : x
  2. Step 2: Convert to fraction form
    1,472.42/2,197.61 = 1,448.12/x
  3. Step 3: Cross multiply
    1,472.42x = 2,197.61 × 1,448.12
  4. Step 4: Simplify right side
    1,472.42x = 3,182,402.99
  5. Step 5: Solve for x
    x = 3,182,402.99/1,472.42
  6. Step 6: Final answer
    x = 2,161.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.