Home / 2,644.16-3,647.00-1,898.88

Finding the Fourth Proportional to 2,644.16, 3,647.00 and 1,898.88

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Solution

The fourth proportional to 2,644.16, 3,647.00 and 1,898.88 is: 2,619.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,644.16 : 3,647.00 = 1,898.88 : x
  2. Step 2: Convert to fraction form
    2,644.16/3,647.00 = 1,898.88/x
  3. Step 3: Cross multiply
    2,644.16x = 3,647.00 × 1,898.88
  4. Step 4: Simplify right side
    2,644.16x = 6,925,234.53
  5. Step 5: Solve for x
    x = 6,925,234.53/2,644.16
  6. Step 6: Final answer
    x = 2,619.07

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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.