Home / 2,860.50-4,287.90-2,551.08

Finding the Fourth Proportional to 2,860.50, 4,287.90 and 2,551.08

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Solution

The fourth proportional to 2,860.50, 4,287.90 and 2,551.08 is: 3,824.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,860.50 : 4,287.90 = 2,551.08 : x
  2. Step 2: Convert to fraction form
    2,860.50/4,287.90 = 2,551.08/x
  3. Step 3: Cross multiply
    2,860.50x = 4,287.90 × 2,551.08
  4. Step 4: Simplify right side
    2,860.50x = 10,938,775.93
  5. Step 5: Solve for x
    x = 10,938,775.93/2,860.50
  6. Step 6: Final answer
    x = 3,824.08

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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.