Home / 2,113.04-3,169.56-652.19

Finding the Fourth Proportional to 2,113.04, 3,169.56 and 652.19

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Solution

The fourth proportional to 2,113.04, 3,169.56 and 652.19 is: 978.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,113.04 : 3,169.56 = 652.19 : x
  2. Step 2: Convert to fraction form
    2,113.04/3,169.56 = 652.19/x
  3. Step 3: Cross multiply
    2,113.04x = 3,169.56 × 652.19
  4. Step 4: Simplify right side
    2,113.04x = 2,067,139.49
  5. Step 5: Solve for x
    x = 2,067,139.49/2,113.04
  6. Step 6: Final answer
    x = 978.28

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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.