Home / 1,924.24-2,655.92-1,178.72

Finding the Fourth Proportional to 1,924.24, 2,655.92 and 1,178.72

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Solution

The fourth proportional to 1,924.24, 2,655.92 and 1,178.72 is: 1,626.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,924.24 : 2,655.92 = 1,178.72 : x
  2. Step 2: Convert to fraction form
    1,924.24/2,655.92 = 1,178.72/x
  3. Step 3: Cross multiply
    1,924.24x = 2,655.92 × 1,178.72
  4. Step 4: Simplify right side
    1,924.24x = 3,130,586.02
  5. Step 5: Solve for x
    x = 3,130,586.02/1,924.24
  6. Step 6: Final answer
    x = 1,626.92

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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.