Home / 2,342.07-3,513.65-1,247.49

Finding the Fourth Proportional to 2,342.07, 3,513.65 and 1,247.49

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Solution

The fourth proportional to 2,342.07, 3,513.65 and 1,247.49 is: 1,871.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,342.07 : 3,513.65 = 1,247.49 : x
  2. Step 2: Convert to fraction form
    2,342.07/3,513.65 = 1,247.49/x
  3. Step 3: Cross multiply
    2,342.07x = 3,513.65 × 1,247.49
  4. Step 4: Simplify right side
    2,342.07x = 4,383,237.00
  5. Step 5: Solve for x
    x = 4,383,237.00/2,342.07
  6. Step 6: Final answer
    x = 1,871.52

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1.5x scale

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.