Home / 2,168.64-3,250.08-1,303.20

Finding the Fourth Proportional to 2,168.64, 3,250.08 and 1,303.20

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Solution

The fourth proportional to 2,168.64, 3,250.08 and 1,303.20 is: 1,953.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,168.64 : 3,250.08 = 1,303.20 : x
  2. Step 2: Convert to fraction form
    2,168.64/3,250.08 = 1,303.20/x
  3. Step 3: Cross multiply
    2,168.64x = 3,250.08 × 1,303.20
  4. Step 4: Simplify right side
    2,168.64x = 4,235,504.26
  5. Step 5: Solve for x
    x = 4,235,504.26/2,168.64
  6. Step 6: Final answer
    x = 1,953.07

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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.