Home / 4,289.40-5,918.94-2,400.86

Finding the Fourth Proportional to 4,289.40, 5,918.94 and 2,400.86

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Solution

The fourth proportional to 4,289.40, 5,918.94 and 2,400.86 is: 3,312.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,289.40 : 5,918.94 = 2,400.86 : x
  2. Step 2: Convert to fraction form
    4,289.40/5,918.94 = 2,400.86/x
  3. Step 3: Cross multiply
    4,289.40x = 5,918.94 × 2,400.86
  4. Step 4: Simplify right side
    4,289.40x = 14,210,546.29
  5. Step 5: Solve for x
    x = 14,210,546.29/4,289.40
  6. Step 6: Final answer
    x = 3,312.95

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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.