Home / 2,982.06-4,470.65-1,315.01

Finding the Fourth Proportional to 2,982.06, 4,470.65 and 1,315.01

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Solution

The fourth proportional to 2,982.06, 4,470.65 and 1,315.01 is: 1,971.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,982.06 : 4,470.65 = 1,315.01 : x
  2. Step 2: Convert to fraction form
    2,982.06/4,470.65 = 1,315.01/x
  3. Step 3: Cross multiply
    2,982.06x = 4,470.65 × 1,315.01
  4. Step 4: Simplify right side
    2,982.06x = 5,878,949.46
  5. Step 5: Solve for x
    x = 5,878,949.46/2,982.06
  6. Step 6: Final answer
    x = 1,971.44

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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.