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Finding the Fourth Proportional to 1,733.24, 2,600.76 and 867.80

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Solution

The fourth proportional to 1,733.24, 2,600.76 and 867.80 is: 1,302.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,733.24 : 2,600.76 = 867.80 : x
  2. Step 2: Convert to fraction form
    1,733.24/2,600.76 = 867.80/x
  3. Step 3: Cross multiply
    1,733.24x = 2,600.76 × 867.80
  4. Step 4: Simplify right side
    1,733.24x = 2,256,939.53
  5. Step 5: Solve for x
    x = 2,256,939.53/1,733.24
  6. Step 6: Final answer
    x = 1,302.15

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1.5x scale

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.