Home / 2,975.26-4,459.55-1,125.11

Finding the Fourth Proportional to 2,975.26, 4,459.55 and 1,125.11

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Solution

The fourth proportional to 2,975.26, 4,459.55 and 1,125.11 is: 1,686.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,975.26 : 4,459.55 = 1,125.11 : x
  2. Step 2: Convert to fraction form
    2,975.26/4,459.55 = 1,125.11/x
  3. Step 3: Cross multiply
    2,975.26x = 4,459.55 × 1,125.11
  4. Step 4: Simplify right side
    2,975.26x = 5,017,478.67
  5. Step 5: Solve for x
    x = 5,017,478.67/2,975.26
  6. Step 6: Final answer
    x = 1,686.40

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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.