Home / 1,521.30-2,282.67-1,197.30

Finding the Fourth Proportional to 1,521.30, 2,282.67 and 1,197.30

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Solution

The fourth proportional to 1,521.30, 2,282.67 and 1,197.30 is: 1,796.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,521.30 : 2,282.67 = 1,197.30 : x
  2. Step 2: Convert to fraction form
    1,521.30/2,282.67 = 1,197.30/x
  3. Step 3: Cross multiply
    1,521.30x = 2,282.67 × 1,197.30
  4. Step 4: Simplify right side
    1,521.30x = 2,733,040.79
  5. Step 5: Solve for x
    x = 2,733,040.79/1,521.30
  6. Step 6: Final answer
    x = 1,796.52

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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.