Home / 1,476.62-2,037.66-813.35

Finding the Fourth Proportional to 1,476.62, 2,037.66 and 813.35

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Solution

The fourth proportional to 1,476.62, 2,037.66 and 813.35 is: 1,122.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,476.62 : 2,037.66 = 813.35 : x
  2. Step 2: Convert to fraction form
    1,476.62/2,037.66 = 813.35/x
  3. Step 3: Cross multiply
    1,476.62x = 2,037.66 × 813.35
  4. Step 4: Simplify right side
    1,476.62x = 1,657,333.94
  5. Step 5: Solve for x
    x = 1,657,333.94/1,476.62
  6. Step 6: Final answer
    x = 1,122.38

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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.