Home / 1,972.86-2,959.74-1,048.85

Finding the Fourth Proportional to 1,972.86, 2,959.74 and 1,048.85

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Solution

The fourth proportional to 1,972.86, 2,959.74 and 1,048.85 is: 1,573.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,972.86 : 2,959.74 = 1,048.85 : x
  2. Step 2: Convert to fraction form
    1,972.86/2,959.74 = 1,048.85/x
  3. Step 3: Cross multiply
    1,972.86x = 2,959.74 × 1,048.85
  4. Step 4: Simplify right side
    1,972.86x = 3,104,319.60
  5. Step 5: Solve for x
    x = 3,104,319.60/1,972.86
  6. Step 6: Final answer
    x = 1,573.52

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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.