Home / 1,463.04-2,192.51-639.60

Finding the Fourth Proportional to 1,463.04, 2,192.51 and 639.60

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Solution

The fourth proportional to 1,463.04, 2,192.51 and 639.60 is: 958.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,463.04 : 2,192.51 = 639.60 : x
  2. Step 2: Convert to fraction form
    1,463.04/2,192.51 = 639.60/x
  3. Step 3: Cross multiply
    1,463.04x = 2,192.51 × 639.60
  4. Step 4: Simplify right side
    1,463.04x = 1,402,326.20
  5. Step 5: Solve for x
    x = 1,402,326.20/1,463.04
  6. Step 6: Final answer
    x = 958.50

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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.