Home / 3,780.18-5,214.29-2,599.20

Finding the Fourth Proportional to 3,780.18, 5,214.29 and 2,599.20

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Solution

The fourth proportional to 3,780.18, 5,214.29 and 2,599.20 is: 3,585.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,780.18 : 5,214.29 = 2,599.20 : x
  2. Step 2: Convert to fraction form
    3,780.18/5,214.29 = 2,599.20/x
  3. Step 3: Cross multiply
    3,780.18x = 5,214.29 × 2,599.20
  4. Step 4: Simplify right side
    3,780.18x = 13,552,969.57
  5. Step 5: Solve for x
    x = 13,552,969.57/3,780.18
  6. Step 6: Final answer
    x = 3,585.27

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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.