Home / 2,987.25-4,482.50-1,448.25

Finding the Fourth Proportional to 2,987.25, 4,482.50 and 1,448.25

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Solution

The fourth proportional to 2,987.25, 4,482.50 and 1,448.25 is: 2,173.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,987.25 : 4,482.50 = 1,448.25 : x
  2. Step 2: Convert to fraction form
    2,987.25/4,482.50 = 1,448.25/x
  3. Step 3: Cross multiply
    2,987.25x = 4,482.50 × 1,448.25
  4. Step 4: Simplify right side
    2,987.25x = 6,491,773.38
  5. Step 5: Solve for x
    x = 6,491,773.38/2,987.25
  6. Step 6: Final answer
    x = 2,173.16

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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.