Home / 1,362.19-2,043.25-810.69

Finding the Fourth Proportional to 1,362.19, 2,043.25 and 810.69

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Solution

The fourth proportional to 1,362.19, 2,043.25 and 810.69 is: 1,216.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,362.19 : 2,043.25 = 810.69 : x
  2. Step 2: Convert to fraction form
    1,362.19/2,043.25 = 810.69/x
  3. Step 3: Cross multiply
    1,362.19x = 2,043.25 × 810.69
  4. Step 4: Simplify right side
    1,362.19x = 1,656,442.34
  5. Step 5: Solve for x
    x = 1,656,442.34/1,362.19
  6. Step 6: Final answer
    x = 1,216.01

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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.