Home / 1,675.19-2,513.93-579.55

Finding the Fourth Proportional to 1,675.19, 2,513.93 and 579.55

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Solution

The fourth proportional to 1,675.19, 2,513.93 and 579.55 is: 869.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,675.19 : 2,513.93 = 579.55 : x
  2. Step 2: Convert to fraction form
    1,675.19/2,513.93 = 579.55/x
  3. Step 3: Cross multiply
    1,675.19x = 2,513.93 × 579.55
  4. Step 4: Simplify right side
    1,675.19x = 1,456,948.13
  5. Step 5: Solve for x
    x = 1,456,948.13/1,675.19
  6. Step 6: Final answer
    x = 869.72

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.