Home / 3,548.40-5,323.05-1,902.68

Finding the Fourth Proportional to 3,548.40, 5,323.05 and 1,902.68

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Solution

The fourth proportional to 3,548.40, 5,323.05 and 1,902.68 is: 2,854.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,548.40 : 5,323.05 = 1,902.68 : x
  2. Step 2: Convert to fraction form
    3,548.40/5,323.05 = 1,902.68/x
  3. Step 3: Cross multiply
    3,548.40x = 5,323.05 × 1,902.68
  4. Step 4: Simplify right side
    3,548.40x = 10,128,060.77
  5. Step 5: Solve for x
    x = 10,128,060.77/3,548.40
  6. Step 6: Final answer
    x = 2,854.26

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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.