Home / 2,077.34-2,866.68-1,145.84

Finding the Fourth Proportional to 2,077.34, 2,866.68 and 1,145.84

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Solution

The fourth proportional to 2,077.34, 2,866.68 and 1,145.84 is: 1,581.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,077.34 : 2,866.68 = 1,145.84 : x
  2. Step 2: Convert to fraction form
    2,077.34/2,866.68 = 1,145.84/x
  3. Step 3: Cross multiply
    2,077.34x = 2,866.68 × 1,145.84
  4. Step 4: Simplify right side
    2,077.34x = 3,284,742.28
  5. Step 5: Solve for x
    x = 3,284,742.28/2,077.34
  6. Step 6: Final answer
    x = 1,581.23

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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.