Home / 3,426.09-4,727.95-1,854.15

Finding the Fourth Proportional to 3,426.09, 4,727.95 and 1,854.15

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Solution

The fourth proportional to 3,426.09, 4,727.95 and 1,854.15 is: 2,558.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,426.09 : 4,727.95 = 1,854.15 : x
  2. Step 2: Convert to fraction form
    3,426.09/4,727.95 = 1,854.15/x
  3. Step 3: Cross multiply
    3,426.09x = 4,727.95 × 1,854.15
  4. Step 4: Simplify right side
    3,426.09x = 8,766,328.49
  5. Step 5: Solve for x
    x = 8,766,328.49/3,426.09
  6. Step 6: Final answer
    x = 2,558.70

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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.