Home / 2,210.68-3,050.75-1,215.93

Finding the Fourth Proportional to 2,210.68, 3,050.75 and 1,215.93

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Solution

The fourth proportional to 2,210.68, 3,050.75 and 1,215.93 is: 1,677.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,210.68 : 3,050.75 = 1,215.93 : x
  2. Step 2: Convert to fraction form
    2,210.68/3,050.75 = 1,215.93/x
  3. Step 3: Cross multiply
    2,210.68x = 3,050.75 × 1,215.93
  4. Step 4: Simplify right side
    2,210.68x = 3,709,488.93
  5. Step 5: Solve for x
    x = 3,709,488.93/2,210.68
  6. Step 6: Final answer
    x = 1,677.99

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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.