Home / 1,823.18-2,515.59-1,159.79

Finding the Fourth Proportional to 1,823.18, 2,515.59 and 1,159.79

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Solution

The fourth proportional to 1,823.18, 2,515.59 and 1,159.79 is: 1,600.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,823.18 : 2,515.59 = 1,159.79 : x
  2. Step 2: Convert to fraction form
    1,823.18/2,515.59 = 1,159.79/x
  3. Step 3: Cross multiply
    1,823.18x = 2,515.59 × 1,159.79
  4. Step 4: Simplify right side
    1,823.18x = 2,917,543.55
  5. Step 5: Solve for x
    x = 2,917,543.55/1,823.18
  6. Step 6: Final answer
    x = 1,600.25

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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.