Home / 3,458.04-5,188.40-1,268.28

Finding the Fourth Proportional to 3,458.04, 5,188.40 and 1,268.28

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Solution

The fourth proportional to 3,458.04, 5,188.40 and 1,268.28 is: 1,902.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,458.04 : 5,188.40 = 1,268.28 : x
  2. Step 2: Convert to fraction form
    3,458.04/5,188.40 = 1,268.28/x
  3. Step 3: Cross multiply
    3,458.04x = 5,188.40 × 1,268.28
  4. Step 4: Simplify right side
    3,458.04x = 6,580,343.95
  5. Step 5: Solve for x
    x = 6,580,343.95/3,458.04
  6. Step 6: Final answer
    x = 1,902.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.