Home / 3,426.82-4,729.02-1,854.92

Finding the Fourth Proportional to 3,426.82, 4,729.02 and 1,854.92

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Solution

The fourth proportional to 3,426.82, 4,729.02 and 1,854.92 is: 2,559.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,426.82 : 4,729.02 = 1,854.92 : x
  2. Step 2: Convert to fraction form
    3,426.82/4,729.02 = 1,854.92/x
  3. Step 3: Cross multiply
    3,426.82x = 4,729.02 × 1,854.92
  4. Step 4: Simplify right side
    3,426.82x = 8,771,953.78
  5. Step 5: Solve for x
    x = 8,771,953.78/3,426.82
  6. Step 6: Final answer
    x = 2,559.79

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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.