Home / 1,759.68-2,423.79-1,409.76

Finding the Fourth Proportional to 1,759.68, 2,423.79 and 1,409.76

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Solution

The fourth proportional to 1,759.68, 2,423.79 and 1,409.76 is: 1,941.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,759.68 : 2,423.79 = 1,409.76 : x
  2. Step 2: Convert to fraction form
    1,759.68/2,423.79 = 1,409.76/x
  3. Step 3: Cross multiply
    1,759.68x = 2,423.79 × 1,409.76
  4. Step 4: Simplify right side
    1,759.68x = 3,416,962.19
  5. Step 5: Solve for x
    x = 3,416,962.19/1,759.68
  6. Step 6: Final answer
    x = 1,941.81

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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.