Home / 2,348.14-3,240.44-1,285.92

Finding the Fourth Proportional to 2,348.14, 3,240.44 and 1,285.92

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Solution

The fourth proportional to 2,348.14, 3,240.44 and 1,285.92 is: 1,774.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,348.14 : 3,240.44 = 1,285.92 : x
  2. Step 2: Convert to fraction form
    2,348.14/3,240.44 = 1,285.92/x
  3. Step 3: Cross multiply
    2,348.14x = 3,240.44 × 1,285.92
  4. Step 4: Simplify right side
    2,348.14x = 4,166,946.60
  5. Step 5: Solve for x
    x = 4,166,946.60/2,348.14
  6. Step 6: Final answer
    x = 1,774.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.