Home / 3,405.11-4,699.56-2,079.58

Finding the Fourth Proportional to 3,405.11, 4,699.56 and 2,079.58

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Solution

The fourth proportional to 3,405.11, 4,699.56 and 2,079.58 is: 2,870.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,405.11 : 4,699.56 = 2,079.58 : x
  2. Step 2: Convert to fraction form
    3,405.11/4,699.56 = 2,079.58/x
  3. Step 3: Cross multiply
    3,405.11x = 4,699.56 × 2,079.58
  4. Step 4: Simplify right side
    3,405.11x = 9,773,110.98
  5. Step 5: Solve for x
    x = 9,773,110.98/3,405.11
  6. Step 6: Final answer
    x = 2,870.13

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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.