Home / 2,782.29-4,170.69-1,550.28

Finding the Fourth Proportional to 2,782.29, 4,170.69 and 1,550.28

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Solution

The fourth proportional to 2,782.29, 4,170.69 and 1,550.28 is: 2,323.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,782.29 : 4,170.69 = 1,550.28 : x
  2. Step 2: Convert to fraction form
    2,782.29/4,170.69 = 1,550.28/x
  3. Step 3: Cross multiply
    2,782.29x = 4,170.69 × 1,550.28
  4. Step 4: Simplify right side
    2,782.29x = 6,465,737.29
  5. Step 5: Solve for x
    x = 6,465,737.29/2,782.29
  6. Step 6: Final answer
    x = 2,323.89

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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.