Home / 4,288.98-5,918.78-2,521.60

Finding the Fourth Proportional to 4,288.98, 5,918.78 and 2,521.60

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Solution

The fourth proportional to 4,288.98, 5,918.78 and 2,521.60 is: 3,479.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,288.98 : 5,918.78 = 2,521.60 : x
  2. Step 2: Convert to fraction form
    4,288.98/5,918.78 = 2,521.60/x
  3. Step 3: Cross multiply
    4,288.98x = 5,918.78 × 2,521.60
  4. Step 4: Simplify right side
    4,288.98x = 14,924,795.65
  5. Step 5: Solve for x
    x = 14,924,795.65/4,288.98
  6. Step 6: Final answer
    x = 3,479.80

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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.