Home / 2,674.27-4,010.38-918.95

Finding the Fourth Proportional to 2,674.27, 4,010.38 and 918.95

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Solution

The fourth proportional to 2,674.27, 4,010.38 and 918.95 is: 1,378.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,674.27 : 4,010.38 = 918.95 : x
  2. Step 2: Convert to fraction form
    2,674.27/4,010.38 = 918.95/x
  3. Step 3: Cross multiply
    2,674.27x = 4,010.38 × 918.95
  4. Step 4: Simplify right side
    2,674.27x = 3,685,331.39
  5. Step 5: Solve for x
    x = 3,685,331.39/2,674.27
  6. Step 6: Final answer
    x = 1,378.07

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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.