Home / 1,476.18-2,037.15-813.06

Finding the Fourth Proportional to 1,476.18, 2,037.15 and 813.06

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Solution

The fourth proportional to 1,476.18, 2,037.15 and 813.06 is: 1,122.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,476.18 : 2,037.15 = 813.06 : x
  2. Step 2: Convert to fraction form
    1,476.18/2,037.15 = 813.06/x
  3. Step 3: Cross multiply
    1,476.18x = 2,037.15 × 813.06
  4. Step 4: Simplify right side
    1,476.18x = 1,656,325.18
  5. Step 5: Solve for x
    x = 1,656,325.18/1,476.18
  6. Step 6: Final answer
    x = 1,122.03

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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.