Home / 1,742.85-2,614.48-510.23

Finding the Fourth Proportional to 1,742.85, 2,614.48 and 510.23

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Solution

The fourth proportional to 1,742.85, 2,614.48 and 510.23 is: 765.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,742.85 : 2,614.48 = 510.23 : x
  2. Step 2: Convert to fraction form
    1,742.85/2,614.48 = 510.23/x
  3. Step 3: Cross multiply
    1,742.85x = 2,614.48 × 510.23
  4. Step 4: Simplify right side
    1,742.85x = 1,333,991.39
  5. Step 5: Solve for x
    x = 1,333,991.39/1,742.85
  6. Step 6: Final answer
    x = 765.41

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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.