Home / 1,464.48-2,197.53-815.58

Finding the Fourth Proportional to 1,464.48, 2,197.53 and 815.58

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Solution

The fourth proportional to 1,464.48, 2,197.53 and 815.58 is: 1,223.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,464.48 : 2,197.53 = 815.58 : x
  2. Step 2: Convert to fraction form
    1,464.48/2,197.53 = 815.58/x
  3. Step 3: Cross multiply
    1,464.48x = 2,197.53 × 815.58
  4. Step 4: Simplify right side
    1,464.48x = 1,792,261.52
  5. Step 5: Solve for x
    x = 1,792,261.52/1,464.48
  6. Step 6: Final answer
    x = 1,223.82

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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.