Home / 2,213.04-3,320.10-897.06

Finding the Fourth Proportional to 2,213.04, 3,320.10 and 897.06

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Solution

The fourth proportional to 2,213.04, 3,320.10 and 897.06 is: 1,345.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,213.04 : 3,320.10 = 897.06 : x
  2. Step 2: Convert to fraction form
    2,213.04/3,320.10 = 897.06/x
  3. Step 3: Cross multiply
    2,213.04x = 3,320.10 × 897.06
  4. Step 4: Simplify right side
    2,213.04x = 2,978,328.91
  5. Step 5: Solve for x
    x = 2,978,328.91/2,213.04
  6. Step 6: Final answer
    x = 1,345.81

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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.