Home / 3,417.98-5,120.60-1,952.69

Finding the Fourth Proportional to 3,417.98, 5,120.60 and 1,952.69

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Solution

The fourth proportional to 3,417.98, 5,120.60 and 1,952.69 is: 2,925.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,417.98 : 5,120.60 = 1,952.69 : x
  2. Step 2: Convert to fraction form
    3,417.98/5,120.60 = 1,952.69/x
  3. Step 3: Cross multiply
    3,417.98x = 5,120.60 × 1,952.69
  4. Step 4: Simplify right side
    3,417.98x = 9,998,909.05
  5. Step 5: Solve for x
    x = 9,998,909.05/3,417.98
  6. Step 6: Final answer
    x = 2,925.39

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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.