Home / 4,131.30-5,703.75-2,621.10

Finding the Fourth Proportional to 4,131.30, 5,703.75 and 2,621.10

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Solution

The fourth proportional to 4,131.30, 5,703.75 and 2,621.10 is: 3,618.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,131.30 : 5,703.75 = 2,621.10 : x
  2. Step 2: Convert to fraction form
    4,131.30/5,703.75 = 2,621.10/x
  3. Step 3: Cross multiply
    4,131.30x = 5,703.75 × 2,621.10
  4. Step 4: Simplify right side
    4,131.30x = 14,950,099.13
  5. Step 5: Solve for x
    x = 14,950,099.13/4,131.30
  6. Step 6: Final answer
    x = 3,618.74

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1.5x scale

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.