Home / 1,156.63-1,736.70-1,119.24

Finding the Fourth Proportional to 1,156.63, 1,736.70 and 1,119.24

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Solution

The fourth proportional to 1,156.63, 1,736.70 and 1,119.24 is: 1,680.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,156.63 : 1,736.70 = 1,119.24 : x
  2. Step 2: Convert to fraction form
    1,156.63/1,736.70 = 1,119.24/x
  3. Step 3: Cross multiply
    1,156.63x = 1,736.70 × 1,119.24
  4. Step 4: Simplify right side
    1,156.63x = 1,943,775.42
  5. Step 5: Solve for x
    x = 1,943,775.42/1,156.63
  6. Step 6: Final answer
    x = 1,680.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.