Home / 2,910.66-4,017.56-1,732.51

Finding the Fourth Proportional to 2,910.66, 4,017.56 and 1,732.51

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Solution

The fourth proportional to 2,910.66, 4,017.56 and 1,732.51 is: 2,391.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,910.66 : 4,017.56 = 1,732.51 : x
  2. Step 2: Convert to fraction form
    2,910.66/4,017.56 = 1,732.51/x
  3. Step 3: Cross multiply
    2,910.66x = 4,017.56 × 1,732.51
  4. Step 4: Simplify right side
    2,910.66x = 6,960,462.88
  5. Step 5: Solve for x
    x = 6,960,462.88/2,910.66
  6. Step 6: Final answer
    x = 2,391.37

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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.