Home / 3,314.13-4,971.80-1,582.75

Finding the Fourth Proportional to 3,314.13, 4,971.80 and 1,582.75

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Solution

The fourth proportional to 3,314.13, 4,971.80 and 1,582.75 is: 2,374.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,314.13 : 4,971.80 = 1,582.75 : x
  2. Step 2: Convert to fraction form
    3,314.13/4,971.80 = 1,582.75/x
  3. Step 3: Cross multiply
    3,314.13x = 4,971.80 × 1,582.75
  4. Step 4: Simplify right side
    3,314.13x = 7,869,116.45
  5. Step 5: Solve for x
    x = 7,869,116.45/3,314.13
  6. Step 6: Final answer
    x = 2,374.41

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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.