Home / 4,288.80-5,918.43-2,425.80

Finding the Fourth Proportional to 4,288.80, 5,918.43 and 2,425.80

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Solution

The fourth proportional to 4,288.80, 5,918.43 and 2,425.80 is: 3,347.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,288.80 : 5,918.43 = 2,425.80 : x
  2. Step 2: Convert to fraction form
    4,288.80/5,918.43 = 2,425.80/x
  3. Step 3: Cross multiply
    4,288.80x = 5,918.43 × 2,425.80
  4. Step 4: Simplify right side
    4,288.80x = 14,356,927.49
  5. Step 5: Solve for x
    x = 14,356,927.49/4,288.80
  6. Step 6: Final answer
    x = 3,347.54

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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.