Home / 2,400.85-3,310.77-2,134.45

Finding the Fourth Proportional to 2,400.85, 3,310.77 and 2,134.45

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Solution

The fourth proportional to 2,400.85, 3,310.77 and 2,134.45 is: 2,943.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,400.85 : 3,310.77 = 2,134.45 : x
  2. Step 2: Convert to fraction form
    2,400.85/3,310.77 = 2,134.45/x
  3. Step 3: Cross multiply
    2,400.85x = 3,310.77 × 2,134.45
  4. Step 4: Simplify right side
    2,400.85x = 7,066,673.03
  5. Step 5: Solve for x
    x = 7,066,673.03/2,400.85
  6. Step 6: Final answer
    x = 2,943.40

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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.