Home / 1,821.49-2,741.78-1,652.00

Finding the Fourth Proportional to 1,821.49, 2,741.78 and 1,652.00

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Solution

The fourth proportional to 1,821.49, 2,741.78 and 1,652.00 is: 2,486.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,821.49 : 2,741.78 = 1,652.00 : x
  2. Step 2: Convert to fraction form
    1,821.49/2,741.78 = 1,652.00/x
  3. Step 3: Cross multiply
    1,821.49x = 2,741.78 × 1,652.00
  4. Step 4: Simplify right side
    1,821.49x = 4,529,410.98
  5. Step 5: Solve for x
    x = 4,529,410.98/1,821.49
  6. Step 6: Final answer
    x = 2,486.65

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.