Home / 4,289.50-5,918.22-2,400.90

Finding the Fourth Proportional to 4,289.50, 5,918.22 and 2,400.90

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Solution

The fourth proportional to 4,289.50, 5,918.22 and 2,400.90 is: 3,312.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,289.50 : 5,918.22 = 2,400.90 : x
  2. Step 2: Convert to fraction form
    4,289.50/5,918.22 = 2,400.90/x
  3. Step 3: Cross multiply
    4,289.50x = 5,918.22 × 2,400.90
  4. Step 4: Simplify right side
    4,289.50x = 14,209,054.40
  5. Step 5: Solve for x
    x = 14,209,054.40/4,289.50
  6. Step 6: Final answer
    x = 3,312.52

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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.