Home / 2,825.16-3,898.72-1,583.16

Finding the Fourth Proportional to 2,825.16, 3,898.72 and 1,583.16

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Solution

The fourth proportional to 2,825.16, 3,898.72 and 1,583.16 is: 2,184.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,825.16 : 3,898.72 = 1,583.16 : x
  2. Step 2: Convert to fraction form
    2,825.16/3,898.72 = 1,583.16/x
  3. Step 3: Cross multiply
    2,825.16x = 3,898.72 × 1,583.16
  4. Step 4: Simplify right side
    2,825.16x = 6,172,293.60
  5. Step 5: Solve for x
    x = 6,172,293.60/2,825.16
  6. Step 6: Final answer
    x = 2,184.76

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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.