Home / 2,130.76-3,197.58-1,035.16

Finding the Fourth Proportional to 2,130.76, 3,197.58 and 1,035.16

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Solution

The fourth proportional to 2,130.76, 3,197.58 and 1,035.16 is: 1,553.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,130.76 : 3,197.58 = 1,035.16 : x
  2. Step 2: Convert to fraction form
    2,130.76/3,197.58 = 1,035.16/x
  3. Step 3: Cross multiply
    2,130.76x = 3,197.58 × 1,035.16
  4. Step 4: Simplify right side
    2,130.76x = 3,310,006.91
  5. Step 5: Solve for x
    x = 3,310,006.91/2,130.76
  6. Step 6: Final answer
    x = 1,553.44

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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.