Home / 3,405.18-4,697.91-2,226.93

Finding the Fourth Proportional to 3,405.18, 4,697.91 and 2,226.93

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Solution

The fourth proportional to 3,405.18, 4,697.91 and 2,226.93 is: 3,072.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,405.18 : 4,697.91 = 2,226.93 : x
  2. Step 2: Convert to fraction form
    3,405.18/4,697.91 = 2,226.93/x
  3. Step 3: Cross multiply
    3,405.18x = 4,697.91 × 2,226.93
  4. Step 4: Simplify right side
    3,405.18x = 10,461,916.72
  5. Step 5: Solve for x
    x = 10,461,916.72/3,405.18
  6. Step 6: Final answer
    x = 3,072.35

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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.