Home / 2,935.18-4,403.40-987.34

Finding the Fourth Proportional to 2,935.18, 4,403.40 and 987.34

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Solution

The fourth proportional to 2,935.18, 4,403.40 and 987.34 is: 1,481.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,935.18 : 4,403.40 = 987.34 : x
  2. Step 2: Convert to fraction form
    2,935.18/4,403.40 = 987.34/x
  3. Step 3: Cross multiply
    2,935.18x = 4,403.40 × 987.34
  4. Step 4: Simplify right side
    2,935.18x = 4,347,652.96
  5. Step 5: Solve for x
    x = 4,347,652.96/2,935.18
  6. Step 6: Final answer
    x = 1,481.22

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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.