Home / 4,289.60-5,918.27-2,400.90

Finding the Fourth Proportional to 4,289.60, 5,918.27 and 2,400.90

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Solution

The fourth proportional to 4,289.60, 5,918.27 and 2,400.90 is: 3,312.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,289.60 : 5,918.27 = 2,400.90 : x
  2. Step 2: Convert to fraction form
    4,289.60/5,918.27 = 2,400.90/x
  3. Step 3: Cross multiply
    4,289.60x = 5,918.27 × 2,400.90
  4. Step 4: Simplify right side
    4,289.60x = 14,209,162.44
  5. Step 5: Solve for x
    x = 14,209,162.44/4,289.60
  6. Step 6: Final answer
    x = 3,312.47

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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.