Home / 2,095.56-3,145.14-999.36

Finding the Fourth Proportional to 2,095.56, 3,145.14 and 999.36

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Solution

The fourth proportional to 2,095.56, 3,145.14 and 999.36 is: 1,499.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,095.56 : 3,145.14 = 999.36 : x
  2. Step 2: Convert to fraction form
    2,095.56/3,145.14 = 999.36/x
  3. Step 3: Cross multiply
    2,095.56x = 3,145.14 × 999.36
  4. Step 4: Simplify right side
    2,095.56x = 3,143,127.11
  5. Step 5: Solve for x
    x = 3,143,127.11/2,095.56
  6. Step 6: Final answer
    x = 1,499.90

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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.