Home / 2,864.22-4,289.07-2,400.78

Finding the Fourth Proportional to 2,864.22, 4,289.07 and 2,400.78

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Solution

The fourth proportional to 2,864.22, 4,289.07 and 2,400.78 is: 3,595.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,864.22 : 4,289.07 = 2,400.78 : x
  2. Step 2: Convert to fraction form
    2,864.22/4,289.07 = 2,400.78/x
  3. Step 3: Cross multiply
    2,864.22x = 4,289.07 × 2,400.78
  4. Step 4: Simplify right side
    2,864.22x = 10,297,113.47
  5. Step 5: Solve for x
    x = 10,297,113.47/2,864.22
  6. Step 6: Final answer
    x = 3,595.08

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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.