Home / 2,173.06-3,252.12-1,688.32

Finding the Fourth Proportional to 2,173.06, 3,252.12 and 1,688.32

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Solution

The fourth proportional to 2,173.06, 3,252.12 and 1,688.32 is: 2,526.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,173.06 : 3,252.12 = 1,688.32 : x
  2. Step 2: Convert to fraction form
    2,173.06/3,252.12 = 1,688.32/x
  3. Step 3: Cross multiply
    2,173.06x = 3,252.12 × 1,688.32
  4. Step 4: Simplify right side
    2,173.06x = 5,490,619.24
  5. Step 5: Solve for x
    x = 5,490,619.24/2,173.06
  6. Step 6: Final answer
    x = 2,526.68

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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.