Home / 3,628.71-5,437.40-2,898.09

Finding the Fourth Proportional to 3,628.71, 5,437.40 and 2,898.09

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Solution

The fourth proportional to 3,628.71, 5,437.40 and 2,898.09 is: 4,342.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,628.71 : 5,437.40 = 2,898.09 : x
  2. Step 2: Convert to fraction form
    3,628.71/5,437.40 = 2,898.09/x
  3. Step 3: Cross multiply
    3,628.71x = 5,437.40 × 2,898.09
  4. Step 4: Simplify right side
    3,628.71x = 15,758,060.08
  5. Step 5: Solve for x
    x = 15,758,060.08/3,628.71
  6. Step 6: Final answer
    x = 4,342.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.