Home / 1,282.06-1,927.40-1,011.42

Finding the Fourth Proportional to 1,282.06, 1,927.40 and 1,011.42

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Solution

The fourth proportional to 1,282.06, 1,927.40 and 1,011.42 is: 1,520.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,282.06 : 1,927.40 = 1,011.42 : x
  2. Step 2: Convert to fraction form
    1,282.06/1,927.40 = 1,011.42/x
  3. Step 3: Cross multiply
    1,282.06x = 1,927.40 × 1,011.42
  4. Step 4: Simplify right side
    1,282.06x = 1,949,405.85
  5. Step 5: Solve for x
    x = 1,949,405.85/1,282.06
  6. Step 6: Final answer
    x = 1,520.52

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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.