Home / 2,323.04-3,482.13-861.53

Finding the Fourth Proportional to 2,323.04, 3,482.13 and 861.53

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Solution

The fourth proportional to 2,323.04, 3,482.13 and 861.53 is: 1,291.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,323.04 : 3,482.13 = 861.53 : x
  2. Step 2: Convert to fraction form
    2,323.04/3,482.13 = 861.53/x
  3. Step 3: Cross multiply
    2,323.04x = 3,482.13 × 861.53
  4. Step 4: Simplify right side
    2,323.04x = 2,999,959.46
  5. Step 5: Solve for x
    x = 2,999,959.46/2,323.04
  6. Step 6: Final answer
    x = 1,291.39

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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.