Home / 1,952.51-2,928.96-491.67

Finding the Fourth Proportional to 1,952.51, 2,928.96 and 491.67

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Solution

The fourth proportional to 1,952.51, 2,928.96 and 491.67 is: 737.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,952.51 : 2,928.96 = 491.67 : x
  2. Step 2: Convert to fraction form
    1,952.51/2,928.96 = 491.67/x
  3. Step 3: Cross multiply
    1,952.51x = 2,928.96 × 491.67
  4. Step 4: Simplify right side
    1,952.51x = 1,440,081.76
  5. Step 5: Solve for x
    x = 1,440,081.76/1,952.51
  6. Step 6: Final answer
    x = 737.56

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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.