Home / 2,187.68-3,014.96-1,523.34

Finding the Fourth Proportional to 2,187.68, 3,014.96 and 1,523.34

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Solution

The fourth proportional to 2,187.68, 3,014.96 and 1,523.34 is: 2,099.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,187.68 : 3,014.96 = 1,523.34 : x
  2. Step 2: Convert to fraction form
    2,187.68/3,014.96 = 1,523.34/x
  3. Step 3: Cross multiply
    2,187.68x = 3,014.96 × 1,523.34
  4. Step 4: Simplify right side
    2,187.68x = 4,592,801.55
  5. Step 5: Solve for x
    x = 4,592,801.55/2,187.68
  6. Step 6: Final answer
    x = 2,099.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.