Home / 3,648.28-5,471.34-1,457.32

Finding the Fourth Proportional to 3,648.28, 5,471.34 and 1,457.32

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Solution

The fourth proportional to 3,648.28, 5,471.34 and 1,457.32 is: 2,185.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,648.28 : 5,471.34 = 1,457.32 : x
  2. Step 2: Convert to fraction form
    3,648.28/5,471.34 = 1,457.32/x
  3. Step 3: Cross multiply
    3,648.28x = 5,471.34 × 1,457.32
  4. Step 4: Simplify right side
    3,648.28x = 7,973,493.21
  5. Step 5: Solve for x
    x = 7,973,493.21/3,648.28
  6. Step 6: Final answer
    x = 2,185.55

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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.