Home / 1,463.04-2,193.32-640.69

Finding the Fourth Proportional to 1,463.04, 2,193.32 and 640.69

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Solution

The fourth proportional to 1,463.04, 2,193.32 and 640.69 is: 960.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,463.04 : 2,193.32 = 640.69 : x
  2. Step 2: Convert to fraction form
    1,463.04/2,193.32 = 640.69/x
  3. Step 3: Cross multiply
    1,463.04x = 2,193.32 × 640.69
  4. Step 4: Simplify right side
    1,463.04x = 1,405,238.19
  5. Step 5: Solve for x
    x = 1,405,238.19/1,463.04
  6. Step 6: Final answer
    x = 960.49

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1.5x scale

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.