Home / 1,756.28-2,423.86-1,313.42

Finding the Fourth Proportional to 1,756.28, 2,423.86 and 1,313.42

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Solution

The fourth proportional to 1,756.28, 2,423.86 and 1,313.42 is: 1,812.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,756.28 : 2,423.86 = 1,313.42 : x
  2. Step 2: Convert to fraction form
    1,756.28/2,423.86 = 1,313.42/x
  3. Step 3: Cross multiply
    1,756.28x = 2,423.86 × 1,313.42
  4. Step 4: Simplify right side
    1,756.28x = 3,183,530.80
  5. Step 5: Solve for x
    x = 3,183,530.80/1,756.28
  6. Step 6: Final answer
    x = 1,812.65

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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.