Home / 3,255.30-4,492.08-1,858.05

Finding the Fourth Proportional to 3,255.30, 4,492.08 and 1,858.05

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Solution

The fourth proportional to 3,255.30, 4,492.08 and 1,858.05 is: 2,563.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,255.30 : 4,492.08 = 1,858.05 : x
  2. Step 2: Convert to fraction form
    3,255.30/4,492.08 = 1,858.05/x
  3. Step 3: Cross multiply
    3,255.30x = 4,492.08 × 1,858.05
  4. Step 4: Simplify right side
    3,255.30x = 8,346,509.24
  5. Step 5: Solve for x
    x = 8,346,509.24/3,255.30
  6. Step 6: Final answer
    x = 2,563.98

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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.