Home / 4,109.77-5,670.10-2,340.12

Finding the Fourth Proportional to 4,109.77, 5,670.10 and 2,340.12

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Solution

The fourth proportional to 4,109.77, 5,670.10 and 2,340.12 is: 3,228.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,109.77 : 5,670.10 = 2,340.12 : x
  2. Step 2: Convert to fraction form
    4,109.77/5,670.10 = 2,340.12/x
  3. Step 3: Cross multiply
    4,109.77x = 5,670.10 × 2,340.12
  4. Step 4: Simplify right side
    4,109.77x = 13,268,714.41
  5. Step 5: Solve for x
    x = 13,268,714.41/4,109.77
  6. Step 6: Final answer
    x = 3,228.58

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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.