Home / 2,145.16-2,963.10-1,773.64

Finding the Fourth Proportional to 2,145.16, 2,963.10 and 1,773.64

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Solution

The fourth proportional to 2,145.16, 2,963.10 and 1,773.64 is: 2,449.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,145.16 : 2,963.10 = 1,773.64 : x
  2. Step 2: Convert to fraction form
    2,145.16/2,963.10 = 1,773.64/x
  3. Step 3: Cross multiply
    2,145.16x = 2,963.10 × 1,773.64
  4. Step 4: Simplify right side
    2,145.16x = 5,255,472.68
  5. Step 5: Solve for x
    x = 5,255,472.68/2,145.16
  6. Step 6: Final answer
    x = 2,449.92

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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.