Home / 2,065.15-2,849.41-1,402.64

Finding the Fourth Proportional to 2,065.15, 2,849.41 and 1,402.64

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Solution

The fourth proportional to 2,065.15, 2,849.41 and 1,402.64 is: 1,935.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,065.15 : 2,849.41 = 1,402.64 : x
  2. Step 2: Convert to fraction form
    2,065.15/2,849.41 = 1,402.64/x
  3. Step 3: Cross multiply
    2,065.15x = 2,849.41 × 1,402.64
  4. Step 4: Simplify right side
    2,065.15x = 3,996,696.44
  5. Step 5: Solve for x
    x = 3,996,696.44/2,065.15
  6. Step 6: Final answer
    x = 1,935.31

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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.