Home / 3,426.54-4,728.62-1,854.64

Finding the Fourth Proportional to 3,426.54, 4,728.62 and 1,854.64

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Solution

The fourth proportional to 3,426.54, 4,728.62 and 1,854.64 is: 2,559.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,426.54 : 4,728.62 = 1,854.64 : x
  2. Step 2: Convert to fraction form
    3,426.54/4,728.62 = 1,854.64/x
  3. Step 3: Cross multiply
    3,426.54x = 4,728.62 × 1,854.64
  4. Step 4: Simplify right side
    3,426.54x = 8,769,887.80
  5. Step 5: Solve for x
    x = 8,769,887.80/3,426.54
  6. Step 6: Final answer
    x = 2,559.40

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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.