Home / 1,757.59-2,423.62-1,128.16

Finding the Fourth Proportional to 1,757.59, 2,423.62 and 1,128.16

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Solution

The fourth proportional to 1,757.59, 2,423.62 and 1,128.16 is: 1,555.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,757.59 : 2,423.62 = 1,128.16 : x
  2. Step 2: Convert to fraction form
    1,757.59/2,423.62 = 1,128.16/x
  3. Step 3: Cross multiply
    1,757.59x = 2,423.62 × 1,128.16
  4. Step 4: Simplify right side
    1,757.59x = 2,734,231.14
  5. Step 5: Solve for x
    x = 2,734,231.14/1,757.59
  6. Step 6: Final answer
    x = 1,555.67

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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.