Home / 3,426.13-4,728.09-1,854.25

Finding the Fourth Proportional to 3,426.13, 4,728.09 and 1,854.25

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Solution

The fourth proportional to 3,426.13, 4,728.09 and 1,854.25 is: 2,558.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,426.13 : 4,728.09 = 1,854.25 : x
  2. Step 2: Convert to fraction form
    3,426.13/4,728.09 = 1,854.25/x
  3. Step 3: Cross multiply
    3,426.13x = 4,728.09 × 1,854.25
  4. Step 4: Simplify right side
    3,426.13x = 8,767,068.07
  5. Step 5: Solve for x
    x = 8,767,068.07/3,426.13
  6. Step 6: Final answer
    x = 2,558.89

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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.