Home / 1,551.16-2,326.47-810.73

Finding the Fourth Proportional to 1,551.16, 2,326.47 and 810.73

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Solution

The fourth proportional to 1,551.16, 2,326.47 and 810.73 is: 1,215.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,551.16 : 2,326.47 = 810.73 : x
  2. Step 2: Convert to fraction form
    1,551.16/2,326.47 = 810.73/x
  3. Step 3: Cross multiply
    1,551.16x = 2,326.47 × 810.73
  4. Step 4: Simplify right side
    1,551.16x = 1,886,139.02
  5. Step 5: Solve for x
    x = 1,886,139.02/1,551.16
  6. Step 6: Final answer
    x = 1,215.95

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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.