Home / 3,357.07-4,631.80-2,099.40

Finding the Fourth Proportional to 3,357.07, 4,631.80 and 2,099.40

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Solution

The fourth proportional to 3,357.07, 4,631.80 and 2,099.40 is: 2,896.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,357.07 : 4,631.80 = 2,099.40 : x
  2. Step 2: Convert to fraction form
    3,357.07/4,631.80 = 2,099.40/x
  3. Step 3: Cross multiply
    3,357.07x = 4,631.80 × 2,099.40
  4. Step 4: Simplify right side
    3,357.07x = 9,724,000.92
  5. Step 5: Solve for x
    x = 9,724,000.92/3,357.07
  6. Step 6: Final answer
    x = 2,896.57

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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.