Home / 3,426.21-4,728.15-1,854.32

Finding the Fourth Proportional to 3,426.21, 4,728.15 and 1,854.32

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Solution

The fourth proportional to 3,426.21, 4,728.15 and 1,854.32 is: 2,558.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,426.21 : 4,728.15 = 1,854.32 : x
  2. Step 2: Convert to fraction form
    3,426.21/4,728.15 = 1,854.32/x
  3. Step 3: Cross multiply
    3,426.21x = 4,728.15 × 1,854.32
  4. Step 4: Simplify right side
    3,426.21x = 8,767,479.47
  5. Step 5: Solve for x
    x = 8,767,479.47/3,426.21
  6. Step 6: Final answer
    x = 2,558.94

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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.