Home / 2,530.30-3,803.55-1,804.90

Finding the Fourth Proportional to 2,530.30, 3,803.55 and 1,804.90

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Solution

The fourth proportional to 2,530.30, 3,803.55 and 1,804.90 is: 2,713.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,530.30 : 3,803.55 = 1,804.90 : x
  2. Step 2: Convert to fraction form
    2,530.30/3,803.55 = 1,804.90/x
  3. Step 3: Cross multiply
    2,530.30x = 3,803.55 × 1,804.90
  4. Step 4: Simplify right side
    2,530.30x = 6,865,027.40
  5. Step 5: Solve for x
    x = 6,865,027.40/2,530.30
  6. Step 6: Final answer
    x = 2,713.13

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.