Home / 3,762.40-5,643.36-1,682.56

Finding the Fourth Proportional to 3,762.40, 5,643.36 and 1,682.56

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Solution

The fourth proportional to 3,762.40, 5,643.36 and 1,682.56 is: 2,523.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,762.40 : 5,643.36 = 1,682.56 : x
  2. Step 2: Convert to fraction form
    3,762.40/5,643.36 = 1,682.56/x
  3. Step 3: Cross multiply
    3,762.40x = 5,643.36 × 1,682.56
  4. Step 4: Simplify right side
    3,762.40x = 9,495,291.80
  5. Step 5: Solve for x
    x = 9,495,291.80/3,762.40
  6. Step 6: Final answer
    x = 2,523.73

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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.