Home / 2,210.85-3,050.94-1,216.10

Finding the Fourth Proportional to 2,210.85, 3,050.94 and 1,216.10

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Solution

The fourth proportional to 2,210.85, 3,050.94 and 1,216.10 is: 1,678.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,210.85 : 3,050.94 = 1,216.10 : x
  2. Step 2: Convert to fraction form
    2,210.85/3,050.94 = 1,216.10/x
  3. Step 3: Cross multiply
    2,210.85x = 3,050.94 × 1,216.10
  4. Step 4: Simplify right side
    2,210.85x = 3,710,232.88
  5. Step 5: Solve for x
    x = 3,710,232.88/2,210.85
  6. Step 6: Final answer
    x = 1,678.19

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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.