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Finding the Fourth Proportional to 2,090.29, 3,133.40 and 773.67

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Solution

The fourth proportional to 2,090.29, 3,133.40 and 773.67 is: 1,159.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,090.29 : 3,133.40 = 773.67 : x
  2. Step 2: Convert to fraction form
    2,090.29/3,133.40 = 773.67/x
  3. Step 3: Cross multiply
    2,090.29x = 3,133.40 × 773.67
  4. Step 4: Simplify right side
    2,090.29x = 2,424,219.51
  5. Step 5: Solve for x
    x = 2,424,219.51/2,090.29
  6. Step 6: Final answer
    x = 1,159.75

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1.5x scale

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.