Home / 2,666.26-3,679.39-1,547.39

Finding the Fourth Proportional to 2,666.26, 3,679.39 and 1,547.39

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Solution

The fourth proportional to 2,666.26, 3,679.39 and 1,547.39 is: 2,135.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,666.26 : 3,679.39 = 1,547.39 : x
  2. Step 2: Convert to fraction form
    2,666.26/3,679.39 = 1,547.39/x
  3. Step 3: Cross multiply
    2,666.26x = 3,679.39 × 1,547.39
  4. Step 4: Simplify right side
    2,666.26x = 5,693,451.29
  5. Step 5: Solve for x
    x = 5,693,451.29/2,666.26
  6. Step 6: Final answer
    x = 2,135.37

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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.