Home / 1,011.03-1,515.33-738.27

Finding the Fourth Proportional to 1,011.03, 1,515.33 and 738.27

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Solution

The fourth proportional to 1,011.03, 1,515.33 and 738.27 is: 1,106.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,011.03 : 1,515.33 = 738.27 : x
  2. Step 2: Convert to fraction form
    1,011.03/1,515.33 = 738.27/x
  3. Step 3: Cross multiply
    1,011.03x = 1,515.33 × 738.27
  4. Step 4: Simplify right side
    1,011.03x = 1,118,722.68
  5. Step 5: Solve for x
    x = 1,118,722.68/1,011.03
  6. Step 6: Final answer
    x = 1,106.52

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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.