Home / 1,823.90-2,516.78-1,037.78

Finding the Fourth Proportional to 1,823.90, 2,516.78 and 1,037.78

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Solution

The fourth proportional to 1,823.90, 2,516.78 and 1,037.78 is: 1,432.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,823.90 : 2,516.78 = 1,037.78 : x
  2. Step 2: Convert to fraction form
    1,823.90/2,516.78 = 1,037.78/x
  3. Step 3: Cross multiply
    1,823.90x = 2,516.78 × 1,037.78
  4. Step 4: Simplify right side
    1,823.90x = 2,611,863.95
  5. Step 5: Solve for x
    x = 2,611,863.95/1,823.90
  6. Step 6: Final answer
    x = 1,432.02

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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.