Home / 3,028.15-4,543.09-1,272.25

Finding the Fourth Proportional to 3,028.15, 4,543.09 and 1,272.25

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Solution

The fourth proportional to 3,028.15, 4,543.09 and 1,272.25 is: 1,908.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,028.15 : 4,543.09 = 1,272.25 : x
  2. Step 2: Convert to fraction form
    3,028.15/4,543.09 = 1,272.25/x
  3. Step 3: Cross multiply
    3,028.15x = 4,543.09 × 1,272.25
  4. Step 4: Simplify right side
    3,028.15x = 5,779,953.61
  5. Step 5: Solve for x
    x = 5,779,953.61/3,028.15
  6. Step 6: Final answer
    x = 1,908.74

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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.