Home / 4,172.64-5,758.23-2,309.64

Finding the Fourth Proportional to 4,172.64, 5,758.23 and 2,309.64

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Solution

The fourth proportional to 4,172.64, 5,758.23 and 2,309.64 is: 3,187.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,172.64 : 5,758.23 = 2,309.64 : x
  2. Step 2: Convert to fraction form
    4,172.64/5,758.23 = 2,309.64/x
  3. Step 3: Cross multiply
    4,172.64x = 5,758.23 × 2,309.64
  4. Step 4: Simplify right side
    4,172.64x = 13,299,438.34
  5. Step 5: Solve for x
    x = 13,299,438.34/4,172.64
  6. Step 6: Final answer
    x = 3,187.30

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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.