Home / 1,891.17-2,822.90-1,752.19

Finding the Fourth Proportional to 1,891.17, 2,822.90 and 1,752.19

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Solution

The fourth proportional to 1,891.17, 2,822.90 and 1,752.19 is: 2,615.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,891.17 : 2,822.90 = 1,752.19 : x
  2. Step 2: Convert to fraction form
    1,891.17/2,822.90 = 1,752.19/x
  3. Step 3: Cross multiply
    1,891.17x = 2,822.90 × 1,752.19
  4. Step 4: Simplify right side
    1,891.17x = 4,946,241.33
  5. Step 5: Solve for x
    x = 4,946,241.33/1,891.17
  6. Step 6: Final answer
    x = 2,615.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.