Home / 1,566.97-2,161.38-1,008.14

Finding the Fourth Proportional to 1,566.97, 2,161.38 and 1,008.14

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Solution

The fourth proportional to 1,566.97, 2,161.38 and 1,008.14 is: 1,390.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,566.97 : 2,161.38 = 1,008.14 : x
  2. Step 2: Convert to fraction form
    1,566.97/2,161.38 = 1,008.14/x
  3. Step 3: Cross multiply
    1,566.97x = 2,161.38 × 1,008.14
  4. Step 4: Simplify right side
    1,566.97x = 2,178,968.59
  5. Step 5: Solve for x
    x = 2,178,968.59/1,566.97
  6. Step 6: Final answer
    x = 1,390.57

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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.