Home / 1,295.12-1,943.52-525.44

Finding the Fourth Proportional to 1,295.12, 1,943.52 and 525.44

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Solution

The fourth proportional to 1,295.12, 1,943.52 and 525.44 is: 788.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,295.12 : 1,943.52 = 525.44 : x
  2. Step 2: Convert to fraction form
    1,295.12/1,943.52 = 525.44/x
  3. Step 3: Cross multiply
    1,295.12x = 1,943.52 × 525.44
  4. Step 4: Simplify right side
    1,295.12x = 1,021,203.15
  5. Step 5: Solve for x
    x = 1,021,203.15/1,295.12
  6. Step 6: Final answer
    x = 788.50

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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.