Home / 1,742.96-2,614.50-510.25

Finding the Fourth Proportional to 1,742.96, 2,614.50 and 510.25

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Solution

The fourth proportional to 1,742.96, 2,614.50 and 510.25 is: 765.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,742.96 : 2,614.50 = 510.25 : x
  2. Step 2: Convert to fraction form
    1,742.96/2,614.50 = 510.25/x
  3. Step 3: Cross multiply
    1,742.96x = 2,614.50 × 510.25
  4. Step 4: Simplify right side
    1,742.96x = 1,334,048.63
  5. Step 5: Solve for x
    x = 1,334,048.63/1,742.96
  6. Step 6: Final answer
    x = 765.39

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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.