Home / 3,756.17-5,181.77-2,430.30

Finding the Fourth Proportional to 3,756.17, 5,181.77 and 2,430.30

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Solution

The fourth proportional to 3,756.17, 5,181.77 and 2,430.30 is: 3,352.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,756.17 : 5,181.77 = 2,430.30 : x
  2. Step 2: Convert to fraction form
    3,756.17/5,181.77 = 2,430.30/x
  3. Step 3: Cross multiply
    3,756.17x = 5,181.77 × 2,430.30
  4. Step 4: Simplify right side
    3,756.17x = 12,593,281.14
  5. Step 5: Solve for x
    x = 12,593,281.14/3,756.17
  6. Step 6: Final answer
    x = 3,352.69

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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.