Home / 4,289.10-5,919.01-2,400.80

Finding the Fourth Proportional to 4,289.10, 5,919.01 and 2,400.80

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Solution

The fourth proportional to 4,289.10, 5,919.01 and 2,400.80 is: 3,313.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,289.10 : 5,919.01 = 2,400.80 : x
  2. Step 2: Convert to fraction form
    4,289.10/5,919.01 = 2,400.80/x
  3. Step 3: Cross multiply
    4,289.10x = 5,919.01 × 2,400.80
  4. Step 4: Simplify right side
    4,289.10x = 14,210,359.21
  5. Step 5: Solve for x
    x = 14,210,359.21/4,289.10
  6. Step 6: Final answer
    x = 3,313.13

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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.