Home / 2,152.76-3,207.09-2,074.37

Finding the Fourth Proportional to 2,152.76, 3,207.09 and 2,074.37

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Solution

The fourth proportional to 2,152.76, 3,207.09 and 2,074.37 is: 3,090.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,152.76 : 3,207.09 = 2,074.37 : x
  2. Step 2: Convert to fraction form
    2,152.76/3,207.09 = 2,074.37/x
  3. Step 3: Cross multiply
    2,152.76x = 3,207.09 × 2,074.37
  4. Step 4: Simplify right side
    2,152.76x = 6,652,680.91
  5. Step 5: Solve for x
    x = 6,652,680.91/2,152.76
  6. Step 6: Final answer
    x = 3,090.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.