Home / 4,242.40-5,854.86-2,354.58

Finding the Fourth Proportional to 4,242.40, 5,854.86 and 2,354.58

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Solution

The fourth proportional to 4,242.40, 5,854.86 and 2,354.58 is: 3,249.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,242.40 : 5,854.86 = 2,354.58 : x
  2. Step 2: Convert to fraction form
    4,242.40/5,854.86 = 2,354.58/x
  3. Step 3: Cross multiply
    4,242.40x = 5,854.86 × 2,354.58
  4. Step 4: Simplify right side
    4,242.40x = 13,785,736.26
  5. Step 5: Solve for x
    x = 13,785,736.26/4,242.40
  6. Step 6: Final answer
    x = 3,249.51

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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.