Home / 4,288.84-5,918.75-2,520.42

Finding the Fourth Proportional to 4,288.84, 5,918.75 and 2,520.42

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Solution

The fourth proportional to 4,288.84, 5,918.75 and 2,520.42 is: 3,478.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,288.84 : 5,918.75 = 2,520.42 : x
  2. Step 2: Convert to fraction form
    4,288.84/5,918.75 = 2,520.42/x
  3. Step 3: Cross multiply
    4,288.84x = 5,918.75 × 2,520.42
  4. Step 4: Simplify right side
    4,288.84x = 14,917,693.68
  5. Step 5: Solve for x
    x = 14,917,693.68/4,288.84
  6. Step 6: Final answer
    x = 3,478.26

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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.