Home / 2,542.02-3,509.33-1,647.03

Finding the Fourth Proportional to 2,542.02, 3,509.33 and 1,647.03

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Solution

The fourth proportional to 2,542.02, 3,509.33 and 1,647.03 is: 2,273.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,542.02 : 3,509.33 = 1,647.03 : x
  2. Step 2: Convert to fraction form
    2,542.02/3,509.33 = 1,647.03/x
  3. Step 3: Cross multiply
    2,542.02x = 3,509.33 × 1,647.03
  4. Step 4: Simplify right side
    2,542.02x = 5,779,976.71
  5. Step 5: Solve for x
    x = 5,779,976.71/2,542.02
  6. Step 6: Final answer
    x = 2,273.78

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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.