Home / 2,975.18-4,461.26-1,125.63

Finding the Fourth Proportional to 2,975.18, 4,461.26 and 1,125.63

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Solution

The fourth proportional to 2,975.18, 4,461.26 and 1,125.63 is: 1,687.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,975.18 : 4,461.26 = 1,125.63 : x
  2. Step 2: Convert to fraction form
    2,975.18/4,461.26 = 1,125.63/x
  3. Step 3: Cross multiply
    2,975.18x = 4,461.26 × 1,125.63
  4. Step 4: Simplify right side
    2,975.18x = 5,021,722.47
  5. Step 5: Solve for x
    x = 5,021,722.47/2,975.18
  6. Step 6: Final answer
    x = 1,687.87

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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.