Home / 2,804.28-3,869.85-1,756.92

Finding the Fourth Proportional to 2,804.28, 3,869.85 and 1,756.92

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Solution

The fourth proportional to 2,804.28, 3,869.85 and 1,756.92 is: 2,424.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,804.28 : 3,869.85 = 1,756.92 : x
  2. Step 2: Convert to fraction form
    2,804.28/3,869.85 = 1,756.92/x
  3. Step 3: Cross multiply
    2,804.28x = 3,869.85 × 1,756.92
  4. Step 4: Simplify right side
    2,804.28x = 6,799,016.86
  5. Step 5: Solve for x
    x = 6,799,016.86/2,804.28
  6. Step 6: Final answer
    x = 2,424.51

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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.