Home / 1,815.48-2,718.43-1,470.13

Finding the Fourth Proportional to 1,815.48, 2,718.43 and 1,470.13

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Solution

The fourth proportional to 1,815.48, 2,718.43 and 1,470.13 is: 2,201.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,815.48 : 2,718.43 = 1,470.13 : x
  2. Step 2: Convert to fraction form
    1,815.48/2,718.43 = 1,470.13/x
  3. Step 3: Cross multiply
    1,815.48x = 2,718.43 × 1,470.13
  4. Step 4: Simplify right side
    1,815.48x = 3,996,435.02
  5. Step 5: Solve for x
    x = 3,996,435.02/1,815.48
  6. Step 6: Final answer
    x = 2,201.31

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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.