Home / 1,295.48-1,941.87-515.27

Finding the Fourth Proportional to 1,295.48, 1,941.87 and 515.27

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Solution

The fourth proportional to 1,295.48, 1,941.87 and 515.27 is: 772.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,295.48 : 1,941.87 = 515.27 : x
  2. Step 2: Convert to fraction form
    1,295.48/1,941.87 = 515.27/x
  3. Step 3: Cross multiply
    1,295.48x = 1,941.87 × 515.27
  4. Step 4: Simplify right side
    1,295.48x = 1,000,587.35
  5. Step 5: Solve for x
    x = 1,000,587.35/1,295.48
  6. Step 6: Final answer
    x = 772.37

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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.