Home / 2,170.64-3,254.73-1,478.24

Finding the Fourth Proportional to 2,170.64, 3,254.73 and 1,478.24

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Solution

The fourth proportional to 2,170.64, 3,254.73 and 1,478.24 is: 2,216.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,170.64 : 3,254.73 = 1,478.24 : x
  2. Step 2: Convert to fraction form
    2,170.64/3,254.73 = 1,478.24/x
  3. Step 3: Cross multiply
    2,170.64x = 3,254.73 × 1,478.24
  4. Step 4: Simplify right side
    2,170.64x = 4,811,272.08
  5. Step 5: Solve for x
    x = 4,811,272.08/2,170.64
  6. Step 6: Final answer
    x = 2,216.52

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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.