Home / 3,762.18-5,192.42-2,270.32

Finding the Fourth Proportional to 3,762.18, 5,192.42 and 2,270.32

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Solution

The fourth proportional to 3,762.18, 5,192.42 and 2,270.32 is: 3,133.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,762.18 : 5,192.42 = 2,270.32 : x
  2. Step 2: Convert to fraction form
    3,762.18/5,192.42 = 2,270.32/x
  3. Step 3: Cross multiply
    3,762.18x = 5,192.42 × 2,270.32
  4. Step 4: Simplify right side
    3,762.18x = 11,788,430.64
  5. Step 5: Solve for x
    x = 11,788,430.64/3,762.18
  6. Step 6: Final answer
    x = 3,133.40

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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.