Home / 4,178.10-5,764.77-2,315.10

Finding the Fourth Proportional to 4,178.10, 5,764.77 and 2,315.10

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Solution

The fourth proportional to 4,178.10, 5,764.77 and 2,315.10 is: 3,194.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,178.10 : 5,764.77 = 2,315.10 : x
  2. Step 2: Convert to fraction form
    4,178.10/5,764.77 = 2,315.10/x
  3. Step 3: Cross multiply
    4,178.10x = 5,764.77 × 2,315.10
  4. Step 4: Simplify right side
    4,178.10x = 13,346,019.03
  5. Step 5: Solve for x
    x = 13,346,019.03/4,178.10
  6. Step 6: Final answer
    x = 3,194.28

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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.