Home / 1,341.58-2,011.95-475.70

Finding the Fourth Proportional to 1,341.58, 2,011.95 and 475.70

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Solution

The fourth proportional to 1,341.58, 2,011.95 and 475.70 is: 713.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,341.58 : 2,011.95 = 475.70 : x
  2. Step 2: Convert to fraction form
    1,341.58/2,011.95 = 475.70/x
  3. Step 3: Cross multiply
    1,341.58x = 2,011.95 × 475.70
  4. Step 4: Simplify right side
    1,341.58x = 957,084.62
  5. Step 5: Solve for x
    x = 957,084.62/1,341.58
  6. Step 6: Final answer
    x = 713.40

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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.