Home / 2,489.58-3,432.51-2,094.30

Finding the Fourth Proportional to 2,489.58, 3,432.51 and 2,094.30

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Solution

The fourth proportional to 2,489.58, 3,432.51 and 2,094.30 is: 2,887.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,489.58 : 3,432.51 = 2,094.30 : x
  2. Step 2: Convert to fraction form
    2,489.58/3,432.51 = 2,094.30/x
  3. Step 3: Cross multiply
    2,489.58x = 3,432.51 × 2,094.30
  4. Step 4: Simplify right side
    2,489.58x = 7,188,705.69
  5. Step 5: Solve for x
    x = 7,188,705.69/2,489.58
  6. Step 6: Final answer
    x = 2,887.52

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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.