Home / 2,219.54-3,062.11-1,274.99

Finding the Fourth Proportional to 2,219.54, 3,062.11 and 1,274.99

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Solution

The fourth proportional to 2,219.54, 3,062.11 and 1,274.99 is: 1,758.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,219.54 : 3,062.11 = 1,274.99 : x
  2. Step 2: Convert to fraction form
    2,219.54/3,062.11 = 1,274.99/x
  3. Step 3: Cross multiply
    2,219.54x = 3,062.11 × 1,274.99
  4. Step 4: Simplify right side
    2,219.54x = 3,904,159.63
  5. Step 5: Solve for x
    x = 3,904,159.63/2,219.54
  6. Step 6: Final answer
    x = 1,758.99

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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.