Home / 3,335.52-4,603.61-1,991.23

Finding the Fourth Proportional to 3,335.52, 4,603.61 and 1,991.23

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Solution

The fourth proportional to 3,335.52, 4,603.61 and 1,991.23 is: 2,748.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,335.52 : 4,603.61 = 1,991.23 : x
  2. Step 2: Convert to fraction form
    3,335.52/4,603.61 = 1,991.23/x
  3. Step 3: Cross multiply
    3,335.52x = 4,603.61 × 1,991.23
  4. Step 4: Simplify right side
    3,335.52x = 9,166,846.34
  5. Step 5: Solve for x
    x = 9,166,846.34/3,335.52
  6. Step 6: Final answer
    x = 2,748.25

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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.