Home / 1,867.61-2,576.77-1,159.49

Finding the Fourth Proportional to 1,867.61, 2,576.77 and 1,159.49

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Solution

The fourth proportional to 1,867.61, 2,576.77 and 1,159.49 is: 1,599.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,867.61 : 2,576.77 = 1,159.49 : x
  2. Step 2: Convert to fraction form
    1,867.61/2,576.77 = 1,159.49/x
  3. Step 3: Cross multiply
    1,867.61x = 2,576.77 × 1,159.49
  4. Step 4: Simplify right side
    1,867.61x = 2,987,742.59
  5. Step 5: Solve for x
    x = 2,987,742.59/1,867.61
  6. Step 6: Final answer
    x = 1,599.77

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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.