Home / 1,823.07-2,516.45-1,185.87

Finding the Fourth Proportional to 1,823.07, 2,516.45 and 1,185.87

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Solution

The fourth proportional to 1,823.07, 2,516.45 and 1,185.87 is: 1,636.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,823.07 : 2,516.45 = 1,185.87 : x
  2. Step 2: Convert to fraction form
    1,823.07/2,516.45 = 1,185.87/x
  3. Step 3: Cross multiply
    1,823.07x = 2,516.45 × 1,185.87
  4. Step 4: Simplify right side
    1,823.07x = 2,984,182.56
  5. Step 5: Solve for x
    x = 2,984,182.56/1,823.07
  6. Step 6: Final answer
    x = 1,636.90

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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.