Home / 2,511.03-3,762.09-2,142.08

Finding the Fourth Proportional to 2,511.03, 3,762.09 and 2,142.08

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Solution

The fourth proportional to 2,511.03, 3,762.09 and 2,142.08 is: 3,209.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,511.03 : 3,762.09 = 2,142.08 : x
  2. Step 2: Convert to fraction form
    2,511.03/3,762.09 = 2,142.08/x
  3. Step 3: Cross multiply
    2,511.03x = 3,762.09 × 2,142.08
  4. Step 4: Simplify right side
    2,511.03x = 8,058,697.75
  5. Step 5: Solve for x
    x = 8,058,697.75/2,511.03
  6. Step 6: Final answer
    x = 3,209.32

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1.5x scale

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.