Home / 2,152.10-3,225.07-1,225.75

Finding the Fourth Proportional to 2,152.10, 3,225.07 and 1,225.75

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Solution

The fourth proportional to 2,152.10, 3,225.07 and 1,225.75 is: 1,836.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,152.10 : 3,225.07 = 1,225.75 : x
  2. Step 2: Convert to fraction form
    2,152.10/3,225.07 = 1,225.75/x
  3. Step 3: Cross multiply
    2,152.10x = 3,225.07 × 1,225.75
  4. Step 4: Simplify right side
    2,152.10x = 3,953,116.49
  5. Step 5: Solve for x
    x = 3,953,116.49/2,152.10
  6. Step 6: Final answer
    x = 1,836.86

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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.