Home / 2,239.65-3,090.60-1,295.48

Finding the Fourth Proportional to 2,239.65, 3,090.60 and 1,295.48

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Solution

The fourth proportional to 2,239.65, 3,090.60 and 1,295.48 is: 1,787.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,239.65 : 3,090.60 = 1,295.48 : x
  2. Step 2: Convert to fraction form
    2,239.65/3,090.60 = 1,295.48/x
  3. Step 3: Cross multiply
    2,239.65x = 3,090.60 × 1,295.48
  4. Step 4: Simplify right side
    2,239.65x = 4,003,818.21
  5. Step 5: Solve for x
    x = 4,003,818.21/2,239.65
  6. Step 6: Final answer
    x = 1,787.70

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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.