Home / 1,514.65-2,271.25-898.21

Finding the Fourth Proportional to 1,514.65, 2,271.25 and 898.21

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Solution

The fourth proportional to 1,514.65, 2,271.25 and 898.21 is: 1,346.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,514.65 : 2,271.25 = 898.21 : x
  2. Step 2: Convert to fraction form
    1,514.65/2,271.25 = 898.21/x
  3. Step 3: Cross multiply
    1,514.65x = 2,271.25 × 898.21
  4. Step 4: Simplify right side
    1,514.65x = 2,040,059.46
  5. Step 5: Solve for x
    x = 2,040,059.46/1,514.65
  6. Step 6: Final answer
    x = 1,346.89

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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.