Home / 4,218.57-5,823.18-2,540.05

Finding the Fourth Proportional to 4,218.57, 5,823.18 and 2,540.05

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Solution

The fourth proportional to 4,218.57, 5,823.18 and 2,540.05 is: 3,506.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,218.57 : 5,823.18 = 2,540.05 : x
  2. Step 2: Convert to fraction form
    4,218.57/5,823.18 = 2,540.05/x
  3. Step 3: Cross multiply
    4,218.57x = 5,823.18 × 2,540.05
  4. Step 4: Simplify right side
    4,218.57x = 14,791,153.80
  5. Step 5: Solve for x
    x = 14,791,153.80/4,218.57
  6. Step 6: Final answer
    x = 3,506.20

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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.