Home / 2,675.82-4,014.51-1,115.55

Finding the Fourth Proportional to 2,675.82, 4,014.51 and 1,115.55

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Solution

The fourth proportional to 2,675.82, 4,014.51 and 1,115.55 is: 1,673.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,675.82 : 4,014.51 = 1,115.55 : x
  2. Step 2: Convert to fraction form
    2,675.82/4,014.51 = 1,115.55/x
  3. Step 3: Cross multiply
    2,675.82x = 4,014.51 × 1,115.55
  4. Step 4: Simplify right side
    2,675.82x = 4,478,386.63
  5. Step 5: Solve for x
    x = 4,478,386.63/2,675.82
  6. Step 6: Final answer
    x = 1,673.65

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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.