Home / 1,739.24-2,398.75-1,528.97

Finding the Fourth Proportional to 1,739.24, 2,398.75 and 1,528.97

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Solution

The fourth proportional to 1,739.24, 2,398.75 and 1,528.97 is: 2,108.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,739.24 : 2,398.75 = 1,528.97 : x
  2. Step 2: Convert to fraction form
    1,739.24/2,398.75 = 1,528.97/x
  3. Step 3: Cross multiply
    1,739.24x = 2,398.75 × 1,528.97
  4. Step 4: Simplify right side
    1,739.24x = 3,667,600.97
  5. Step 5: Solve for x
    x = 3,667,600.97/1,739.24
  6. Step 6: Final answer
    x = 2,108.74

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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.