Home / 2,891.08-4,316.89-2,299.40

Finding the Fourth Proportional to 2,891.08, 4,316.89 and 2,299.40

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Solution

The fourth proportional to 2,891.08, 4,316.89 and 2,299.40 is: 3,433.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,891.08 : 4,316.89 = 2,299.40 : x
  2. Step 2: Convert to fraction form
    2,891.08/4,316.89 = 2,299.40/x
  3. Step 3: Cross multiply
    2,891.08x = 4,316.89 × 2,299.40
  4. Step 4: Simplify right side
    2,891.08x = 9,926,256.87
  5. Step 5: Solve for x
    x = 9,926,256.87/2,891.08
  6. Step 6: Final answer
    x = 3,433.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.