Home / 2,768.12-4,154.02-1,036.76

Finding the Fourth Proportional to 2,768.12, 4,154.02 and 1,036.76

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Solution

The fourth proportional to 2,768.12, 4,154.02 and 1,036.76 is: 1,555.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,768.12 : 4,154.02 = 1,036.76 : x
  2. Step 2: Convert to fraction form
    2,768.12/4,154.02 = 1,036.76/x
  3. Step 3: Cross multiply
    2,768.12x = 4,154.02 × 1,036.76
  4. Step 4: Simplify right side
    2,768.12x = 4,306,721.78
  5. Step 5: Solve for x
    x = 4,306,721.78/2,768.12
  6. Step 6: Final answer
    x = 1,555.83

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1.5x scale

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.