Home / 3,406.10-4,700.13-1,913.90

Finding the Fourth Proportional to 3,406.10, 4,700.13 and 1,913.90

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Solution

The fourth proportional to 3,406.10, 4,700.13 and 1,913.90 is: 2,641.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,406.10 : 4,700.13 = 1,913.90 : x
  2. Step 2: Convert to fraction form
    3,406.10/4,700.13 = 1,913.90/x
  3. Step 3: Cross multiply
    3,406.10x = 4,700.13 × 1,913.90
  4. Step 4: Simplify right side
    3,406.10x = 8,995,578.81
  5. Step 5: Solve for x
    x = 8,995,578.81/3,406.10
  6. Step 6: Final answer
    x = 2,641.02

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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.