Home / 1,757.66-2,423.08-1,253.77

Finding the Fourth Proportional to 1,757.66, 2,423.08 and 1,253.77

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Solution

The fourth proportional to 1,757.66, 2,423.08 and 1,253.77 is: 1,728.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,757.66 : 2,423.08 = 1,253.77 : x
  2. Step 2: Convert to fraction form
    1,757.66/2,423.08 = 1,253.77/x
  3. Step 3: Cross multiply
    1,757.66x = 2,423.08 × 1,253.77
  4. Step 4: Simplify right side
    1,757.66x = 3,037,975.82
  5. Step 5: Solve for x
    x = 3,037,975.82/1,757.66
  6. Step 6: Final answer
    x = 1,728.42

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1.5x scale

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.