Home / 2,210.28-3,050.19-1,215.63

Finding the Fourth Proportional to 2,210.28, 3,050.19 and 1,215.63

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Solution

The fourth proportional to 2,210.28, 3,050.19 and 1,215.63 is: 1,677.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,210.28 : 3,050.19 = 1,215.63 : x
  2. Step 2: Convert to fraction form
    2,210.28/3,050.19 = 1,215.63/x
  3. Step 3: Cross multiply
    2,210.28x = 3,050.19 × 1,215.63
  4. Step 4: Simplify right side
    2,210.28x = 3,707,887.22
  5. Step 5: Solve for x
    x = 3,707,887.22/2,210.28
  6. Step 6: Final answer
    x = 1,677.56

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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.