Home / 4,145.18-5,718.94-2,550.18

Finding the Fourth Proportional to 4,145.18, 5,718.94 and 2,550.18

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Solution

The fourth proportional to 4,145.18, 5,718.94 and 2,550.18 is: 3,518.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,145.18 : 5,718.94 = 2,550.18 : x
  2. Step 2: Convert to fraction form
    4,145.18/5,718.94 = 2,550.18/x
  3. Step 3: Cross multiply
    4,145.18x = 5,718.94 × 2,550.18
  4. Step 4: Simplify right side
    4,145.18x = 14,584,341.48
  5. Step 5: Solve for x
    x = 14,584,341.48/4,145.18
  6. Step 6: Final answer
    x = 3,518.39

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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.