Home / 2,890.68-4,325.94-2,364.60

Finding the Fourth Proportional to 2,890.68, 4,325.94 and 2,364.60

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Solution

The fourth proportional to 2,890.68, 4,325.94 and 2,364.60 is: 3,538.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,890.68 : 4,325.94 = 2,364.60 : x
  2. Step 2: Convert to fraction form
    2,890.68/4,325.94 = 2,364.60/x
  3. Step 3: Cross multiply
    2,890.68x = 4,325.94 × 2,364.60
  4. Step 4: Simplify right side
    2,890.68x = 10,229,117.72
  5. Step 5: Solve for x
    x = 10,229,117.72/2,890.68
  6. Step 6: Final answer
    x = 3,538.65

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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.