Home / 1,747.12-2,411.68-1,157.84

Finding the Fourth Proportional to 1,747.12, 2,411.68 and 1,157.84

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Solution

The fourth proportional to 1,747.12, 2,411.68 and 1,157.84 is: 1,598.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,747.12 : 2,411.68 = 1,157.84 : x
  2. Step 2: Convert to fraction form
    1,747.12/2,411.68 = 1,157.84/x
  3. Step 3: Cross multiply
    1,747.12x = 2,411.68 × 1,157.84
  4. Step 4: Simplify right side
    1,747.12x = 2,792,339.57
  5. Step 5: Solve for x
    x = 2,792,339.57/1,747.12
  6. Step 6: Final answer
    x = 1,598.25

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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.