Home / 1,813.02-2,696.51-1,778.17

Finding the Fourth Proportional to 1,813.02, 2,696.51 and 1,778.17

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Solution

The fourth proportional to 1,813.02, 2,696.51 and 1,778.17 is: 2,644.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,813.02 : 2,696.51 = 1,778.17 : x
  2. Step 2: Convert to fraction form
    1,813.02/2,696.51 = 1,778.17/x
  3. Step 3: Cross multiply
    1,813.02x = 2,696.51 × 1,778.17
  4. Step 4: Simplify right side
    1,813.02x = 4,794,853.19
  5. Step 5: Solve for x
    x = 4,794,853.19/1,813.02
  6. Step 6: Final answer
    x = 2,644.68

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.