Home / 1,566.66-2,164.08-1,275.47

Finding the Fourth Proportional to 1,566.66, 2,164.08 and 1,275.47

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Solution

The fourth proportional to 1,566.66, 2,164.08 and 1,275.47 is: 1,761.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,566.66 : 2,164.08 = 1,275.47 : x
  2. Step 2: Convert to fraction form
    1,566.66/2,164.08 = 1,275.47/x
  3. Step 3: Cross multiply
    1,566.66x = 2,164.08 × 1,275.47
  4. Step 4: Simplify right side
    1,566.66x = 2,760,219.12
  5. Step 5: Solve for x
    x = 2,760,219.12/1,566.66
  6. Step 6: Final answer
    x = 1,761.85

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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.