Home / 3,155.32-4,354.54-1,758.08

Finding the Fourth Proportional to 3,155.32, 4,354.54 and 1,758.08

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Solution

The fourth proportional to 3,155.32, 4,354.54 and 1,758.08 is: 2,426.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,155.32 : 4,354.54 = 1,758.08 : x
  2. Step 2: Convert to fraction form
    3,155.32/4,354.54 = 1,758.08/x
  3. Step 3: Cross multiply
    3,155.32x = 4,354.54 × 1,758.08
  4. Step 4: Simplify right side
    3,155.32x = 7,655,629.68
  5. Step 5: Solve for x
    x = 7,655,629.68/3,155.32
  6. Step 6: Final answer
    x = 2,426.26

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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.