Home / 2,447.23-3,670.87-1,720.06

Finding the Fourth Proportional to 2,447.23, 3,670.87 and 1,720.06

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Solution

The fourth proportional to 2,447.23, 3,670.87 and 1,720.06 is: 2,580.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,447.23 : 3,670.87 = 1,720.06 : x
  2. Step 2: Convert to fraction form
    2,447.23/3,670.87 = 1,720.06/x
  3. Step 3: Cross multiply
    2,447.23x = 3,670.87 × 1,720.06
  4. Step 4: Simplify right side
    2,447.23x = 6,314,116.65
  5. Step 5: Solve for x
    x = 6,314,116.65/2,447.23
  6. Step 6: Final answer
    x = 2,580.11

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1.5x scale

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.