Home / 2,718.12-3,752.10-2,055.12

Finding the Fourth Proportional to 2,718.12, 3,752.10 and 2,055.12

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Solution

The fourth proportional to 2,718.12, 3,752.10 and 2,055.12 is: 2,836.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,718.12 : 3,752.10 = 2,055.12 : x
  2. Step 2: Convert to fraction form
    2,718.12/3,752.10 = 2,055.12/x
  3. Step 3: Cross multiply
    2,718.12x = 3,752.10 × 2,055.12
  4. Step 4: Simplify right side
    2,718.12x = 7,711,015.75
  5. Step 5: Solve for x
    x = 7,711,015.75/2,718.12
  6. Step 6: Final answer
    x = 2,836.89

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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.