Home / 1,623.80-2,434.08-1,136.72

Finding the Fourth Proportional to 1,623.80, 2,434.08 and 1,136.72

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Solution

The fourth proportional to 1,623.80, 2,434.08 and 1,136.72 is: 1,703.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,623.80 : 2,434.08 = 1,136.72 : x
  2. Step 2: Convert to fraction form
    1,623.80/2,434.08 = 1,136.72/x
  3. Step 3: Cross multiply
    1,623.80x = 2,434.08 × 1,136.72
  4. Step 4: Simplify right side
    1,623.80x = 2,766,867.42
  5. Step 5: Solve for x
    x = 2,766,867.42/1,623.80
  6. Step 6: Final answer
    x = 1,703.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.