Home / 2,210.48-3,315.82-1,113.54

Finding the Fourth Proportional to 2,210.48, 3,315.82 and 1,113.54

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Solution

The fourth proportional to 2,210.48, 3,315.82 and 1,113.54 is: 1,670.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,210.48 : 3,315.82 = 1,113.54 : x
  2. Step 2: Convert to fraction form
    2,210.48/3,315.82 = 1,113.54/x
  3. Step 3: Cross multiply
    2,210.48x = 3,315.82 × 1,113.54
  4. Step 4: Simplify right side
    2,210.48x = 3,692,298.20
  5. Step 5: Solve for x
    x = 3,692,298.20/2,210.48
  6. Step 6: Final answer
    x = 1,670.36

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.