Home / 3,440.31-4,744.98-2,319.47

Finding the Fourth Proportional to 3,440.31, 4,744.98 and 2,319.47

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Solution

The fourth proportional to 3,440.31, 4,744.98 and 2,319.47 is: 3,199.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,440.31 : 4,744.98 = 2,319.47 : x
  2. Step 2: Convert to fraction form
    3,440.31/4,744.98 = 2,319.47/x
  3. Step 3: Cross multiply
    3,440.31x = 4,744.98 × 2,319.47
  4. Step 4: Simplify right side
    3,440.31x = 11,005,832.83
  5. Step 5: Solve for x
    x = 11,005,832.83/3,440.31
  6. Step 6: Final answer
    x = 3,199.09

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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.