Home / 2,095.72-3,140.70-1,324.84

Finding the Fourth Proportional to 2,095.72, 3,140.70 and 1,324.84

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Solution

The fourth proportional to 2,095.72, 3,140.70 and 1,324.84 is: 1,985.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,095.72 : 3,140.70 = 1,324.84 : x
  2. Step 2: Convert to fraction form
    2,095.72/3,140.70 = 1,324.84/x
  3. Step 3: Cross multiply
    2,095.72x = 3,140.70 × 1,324.84
  4. Step 4: Simplify right side
    2,095.72x = 4,160,924.99
  5. Step 5: Solve for x
    x = 4,160,924.99/2,095.72
  6. Step 6: Final answer
    x = 1,985.44

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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.