Home / 2,145.14-2,959.16-1,446.74

Finding the Fourth Proportional to 2,145.14, 2,959.16 and 1,446.74

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Solution

The fourth proportional to 2,145.14, 2,959.16 and 1,446.74 is: 1,995.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,145.14 : 2,959.16 = 1,446.74 : x
  2. Step 2: Convert to fraction form
    2,145.14/2,959.16 = 1,446.74/x
  3. Step 3: Cross multiply
    2,145.14x = 2,959.16 × 1,446.74
  4. Step 4: Simplify right side
    2,145.14x = 4,281,135.14
  5. Step 5: Solve for x
    x = 4,281,135.14/2,145.14
  6. Step 6: Final answer
    x = 1,995.74

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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.