Home / 3,426.18-4,728.12-1,854.30

Finding the Fourth Proportional to 3,426.18, 4,728.12 and 1,854.30

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Solution

The fourth proportional to 3,426.18, 4,728.12 and 1,854.30 is: 2,558.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,426.18 : 4,728.12 = 1,854.30 : x
  2. Step 2: Convert to fraction form
    3,426.18/4,728.12 = 1,854.30/x
  3. Step 3: Cross multiply
    3,426.18x = 4,728.12 × 1,854.30
  4. Step 4: Simplify right side
    3,426.18x = 8,767,352.92
  5. Step 5: Solve for x
    x = 8,767,352.92/3,426.18
  6. Step 6: Final answer
    x = 2,558.93

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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.