Home / 2,218.04-3,061.52-1,519.28

Finding the Fourth Proportional to 2,218.04, 3,061.52 and 1,519.28

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Solution

The fourth proportional to 2,218.04, 3,061.52 and 1,519.28 is: 2,097.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,218.04 : 3,061.52 = 1,519.28 : x
  2. Step 2: Convert to fraction form
    2,218.04/3,061.52 = 1,519.28/x
  3. Step 3: Cross multiply
    2,218.04x = 3,061.52 × 1,519.28
  4. Step 4: Simplify right side
    2,218.04x = 4,651,306.11
  5. Step 5: Solve for x
    x = 4,651,306.11/2,218.04
  6. Step 6: Final answer
    x = 2,097.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.