Home / 1,985.51-2,734.46-1,942.46

Finding the Fourth Proportional to 1,985.51, 2,734.46 and 1,942.46

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Solution

The fourth proportional to 1,985.51, 2,734.46 and 1,942.46 is: 2,675.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,985.51 : 2,734.46 = 1,942.46 : x
  2. Step 2: Convert to fraction form
    1,985.51/2,734.46 = 1,942.46/x
  3. Step 3: Cross multiply
    1,985.51x = 2,734.46 × 1,942.46
  4. Step 4: Simplify right side
    1,985.51x = 5,311,588.71
  5. Step 5: Solve for x
    x = 5,311,588.71/1,985.51
  6. Step 6: Final answer
    x = 2,675.17

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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.