Home / 2,673.02-4,009.30-1,287.48

Finding the Fourth Proportional to 2,673.02, 4,009.30 and 1,287.48

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Solution

The fourth proportional to 2,673.02, 4,009.30 and 1,287.48 is: 1,931.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,673.02 : 4,009.30 = 1,287.48 : x
  2. Step 2: Convert to fraction form
    2,673.02/4,009.30 = 1,287.48/x
  3. Step 3: Cross multiply
    2,673.02x = 4,009.30 × 1,287.48
  4. Step 4: Simplify right side
    2,673.02x = 5,161,893.56
  5. Step 5: Solve for x
    x = 5,161,893.56/2,673.02
  6. Step 6: Final answer
    x = 1,931.11

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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.