Home / 1,823.31-2,516.19-1,425.42

Finding the Fourth Proportional to 1,823.31, 2,516.19 and 1,425.42

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Solution

The fourth proportional to 1,823.31, 2,516.19 and 1,425.42 is: 1,967.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,823.31 : 2,516.19 = 1,425.42 : x
  2. Step 2: Convert to fraction form
    1,823.31/2,516.19 = 1,425.42/x
  3. Step 3: Cross multiply
    1,823.31x = 2,516.19 × 1,425.42
  4. Step 4: Simplify right side
    1,823.31x = 3,586,627.55
  5. Step 5: Solve for x
    x = 3,586,627.55/1,823.31
  6. Step 6: Final answer
    x = 1,967.10

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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.