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Finding the Fourth Proportional to 3,762.28, 5,643.36 and 1,026.28

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Solution

The fourth proportional to 3,762.28, 5,643.36 and 1,026.28 is: 1,539.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,762.28 : 5,643.36 = 1,026.28 : x
  2. Step 2: Convert to fraction form
    3,762.28/5,643.36 = 1,026.28/x
  3. Step 3: Cross multiply
    3,762.28x = 5,643.36 × 1,026.28
  4. Step 4: Simplify right side
    3,762.28x = 5,791,667.50
  5. Step 5: Solve for x
    x = 5,791,667.50/3,762.28
  6. Step 6: Final answer
    x = 1,539.40

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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.