Home / 1,440.73-2,161.05-1,008.17

Finding the Fourth Proportional to 1,440.73, 2,161.05 and 1,008.17

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Solution

The fourth proportional to 1,440.73, 2,161.05 and 1,008.17 is: 1,512.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,440.73 : 2,161.05 = 1,008.17 : x
  2. Step 2: Convert to fraction form
    1,440.73/2,161.05 = 1,008.17/x
  3. Step 3: Cross multiply
    1,440.73x = 2,161.05 × 1,008.17
  4. Step 4: Simplify right side
    1,440.73x = 2,178,705.78
  5. Step 5: Solve for x
    x = 2,178,705.78/1,440.73
  6. Step 6: Final answer
    x = 1,512.22

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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.