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Finding the Fourth Proportional to 1,350.88, 2,026.42 and 376.98

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Solution

The fourth proportional to 1,350.88, 2,026.42 and 376.98 is: 565.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,350.88 : 2,026.42 = 376.98 : x
  2. Step 2: Convert to fraction form
    1,350.88/2,026.42 = 376.98/x
  3. Step 3: Cross multiply
    1,350.88x = 2,026.42 × 376.98
  4. Step 4: Simplify right side
    1,350.88x = 763,919.81
  5. Step 5: Solve for x
    x = 763,919.81/1,350.88
  6. Step 6: Final answer
    x = 565.50

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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.