Home / 2,910.95-4,017.23-1,732.20

Finding the Fourth Proportional to 2,910.95, 4,017.23 and 1,732.20

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Solution

The fourth proportional to 2,910.95, 4,017.23 and 1,732.20 is: 2,390.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,910.95 : 4,017.23 = 1,732.20 : x
  2. Step 2: Convert to fraction form
    2,910.95/4,017.23 = 1,732.20/x
  3. Step 3: Cross multiply
    2,910.95x = 4,017.23 × 1,732.20
  4. Step 4: Simplify right side
    2,910.95x = 6,958,645.81
  5. Step 5: Solve for x
    x = 6,958,645.81/2,910.95
  6. Step 6: Final answer
    x = 2,390.51

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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.