Home / 1,464.93-2,021.60-801.79

Finding the Fourth Proportional to 1,464.93, 2,021.60 and 801.79

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Solution

The fourth proportional to 1,464.93, 2,021.60 and 801.79 is: 1,106.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,464.93 : 2,021.60 = 801.79 : x
  2. Step 2: Convert to fraction form
    1,464.93/2,021.60 = 801.79/x
  3. Step 3: Cross multiply
    1,464.93x = 2,021.60 × 801.79
  4. Step 4: Simplify right side
    1,464.93x = 1,620,895.61
  5. Step 5: Solve for x
    x = 1,620,895.61/1,464.93
  6. Step 6: Final answer
    x = 1,106.47

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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.