Home / 2,400.16-3,600.70-840.60

Finding the Fourth Proportional to 2,400.16, 3,600.70 and 840.60

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Solution

The fourth proportional to 2,400.16, 3,600.70 and 840.60 is: 1,261.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,400.16 : 3,600.70 = 840.60 : x
  2. Step 2: Convert to fraction form
    2,400.16/3,600.70 = 840.60/x
  3. Step 3: Cross multiply
    2,400.16x = 3,600.70 × 840.60
  4. Step 4: Simplify right side
    2,400.16x = 3,026,748.42
  5. Step 5: Solve for x
    x = 3,026,748.42/2,400.16
  6. Step 6: Final answer
    x = 1,261.06

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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.