Home / 3,359.98-4,638.48-2,101.78

Finding the Fourth Proportional to 3,359.98, 4,638.48 and 2,101.78

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Solution

The fourth proportional to 3,359.98, 4,638.48 and 2,101.78 is: 2,901.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,359.98 : 4,638.48 = 2,101.78 : x
  2. Step 2: Convert to fraction form
    3,359.98/4,638.48 = 2,101.78/x
  3. Step 3: Cross multiply
    3,359.98x = 4,638.48 × 2,101.78
  4. Step 4: Simplify right side
    3,359.98x = 9,749,041.30
  5. Step 5: Solve for x
    x = 9,749,041.30/3,359.98
  6. Step 6: Final answer
    x = 2,901.52

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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.