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Finding the Fourth Proportional to 1,733.37, 2,600.76 and 912.36

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Solution

The fourth proportional to 1,733.37, 2,600.76 and 912.36 is: 1,368.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,733.37 : 2,600.76 = 912.36 : x
  2. Step 2: Convert to fraction form
    1,733.37/2,600.76 = 912.36/x
  3. Step 3: Cross multiply
    1,733.37x = 2,600.76 × 912.36
  4. Step 4: Simplify right side
    1,733.37x = 2,372,829.39
  5. Step 5: Solve for x
    x = 2,372,829.39/1,733.37
  6. Step 6: Final answer
    x = 1,368.91

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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.