Home / 1,630.04-2,445.47-475.79

Finding the Fourth Proportional to 1,630.04, 2,445.47 and 475.79

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Solution

The fourth proportional to 1,630.04, 2,445.47 and 475.79 is: 713.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,630.04 : 2,445.47 = 475.79 : x
  2. Step 2: Convert to fraction form
    1,630.04/2,445.47 = 475.79/x
  3. Step 3: Cross multiply
    1,630.04x = 2,445.47 × 475.79
  4. Step 4: Simplify right side
    1,630.04x = 1,163,535.69
  5. Step 5: Solve for x
    x = 1,163,535.69/1,630.04
  6. Step 6: Final answer
    x = 713.81

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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.