Home / 3,870.84-5,341.96-2,192.26

Finding the Fourth Proportional to 3,870.84, 5,341.96 and 2,192.26

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Solution

The fourth proportional to 3,870.84, 5,341.96 and 2,192.26 is: 3,025.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,870.84 : 5,341.96 = 2,192.26 : x
  2. Step 2: Convert to fraction form
    3,870.84/5,341.96 = 2,192.26/x
  3. Step 3: Cross multiply
    3,870.84x = 5,341.96 × 2,192.26
  4. Step 4: Simplify right side
    3,870.84x = 11,710,965.23
  5. Step 5: Solve for x
    x = 11,710,965.23/3,870.84
  6. Step 6: Final answer
    x = 3,025.43

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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.