Home / 3,426.89-4,729.11-1,854.98

Finding the Fourth Proportional to 3,426.89, 4,729.11 and 1,854.98

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Solution

The fourth proportional to 3,426.89, 4,729.11 and 1,854.98 is: 2,559.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,426.89 : 4,729.11 = 1,854.98 : x
  2. Step 2: Convert to fraction form
    3,426.89/4,729.11 = 1,854.98/x
  3. Step 3: Cross multiply
    3,426.89x = 4,729.11 × 1,854.98
  4. Step 4: Simplify right side
    3,426.89x = 8,772,416.29
  5. Step 5: Solve for x
    x = 8,772,416.29/3,426.89
  6. Step 6: Final answer
    x = 2,559.88

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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.