Home / 1,985.84-2,961.26-1,847.32

Finding the Fourth Proportional to 1,985.84, 2,961.26 and 1,847.32

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Solution

The fourth proportional to 1,985.84, 2,961.26 and 1,847.32 is: 2,754.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,985.84 : 2,961.26 = 1,847.32 : x
  2. Step 2: Convert to fraction form
    1,985.84/2,961.26 = 1,847.32/x
  3. Step 3: Cross multiply
    1,985.84x = 2,961.26 × 1,847.32
  4. Step 4: Simplify right side
    1,985.84x = 5,470,394.82
  5. Step 5: Solve for x
    x = 5,470,394.82/1,985.84
  6. Step 6: Final answer
    x = 2,754.70

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.