Home / 1,536.21-2,299.33-841.13

Finding the Fourth Proportional to 1,536.21, 2,299.33 and 841.13

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Solution

The fourth proportional to 1,536.21, 2,299.33 and 841.13 is: 1,258.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,536.21 : 2,299.33 = 841.13 : x
  2. Step 2: Convert to fraction form
    1,536.21/2,299.33 = 841.13/x
  3. Step 3: Cross multiply
    1,536.21x = 2,299.33 × 841.13
  4. Step 4: Simplify right side
    1,536.21x = 1,934,031.24
  5. Step 5: Solve for x
    x = 1,934,031.24/1,536.21
  6. Step 6: Final answer
    x = 1,258.96

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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.