Home / 3,385.08-4,670.01-2,389.98

Finding the Fourth Proportional to 3,385.08, 4,670.01 and 2,389.98

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Solution

The fourth proportional to 3,385.08, 4,670.01 and 2,389.98 is: 3,297.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,385.08 : 4,670.01 = 2,389.98 : x
  2. Step 2: Convert to fraction form
    3,385.08/4,670.01 = 2,389.98/x
  3. Step 3: Cross multiply
    3,385.08x = 4,670.01 × 2,389.98
  4. Step 4: Simplify right side
    3,385.08x = 11,161,230.50
  5. Step 5: Solve for x
    x = 11,161,230.50/3,385.08
  6. Step 6: Final answer
    x = 3,297.18

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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.