Home / 1,341.23-2,011.54-475.55

Finding the Fourth Proportional to 1,341.23, 2,011.54 and 475.55

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Solution

The fourth proportional to 1,341.23, 2,011.54 and 475.55 is: 713.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,341.23 : 2,011.54 = 475.55 : x
  2. Step 2: Convert to fraction form
    1,341.23/2,011.54 = 475.55/x
  3. Step 3: Cross multiply
    1,341.23x = 2,011.54 × 475.55
  4. Step 4: Simplify right side
    1,341.23x = 956,577.79
  5. Step 5: Solve for x
    x = 956,577.79/1,341.23
  6. Step 6: Final answer
    x = 713.21

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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.