Home / 2,785.87-4,179.57-1,554.15

Finding the Fourth Proportional to 2,785.87, 4,179.57 and 1,554.15

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Solution

The fourth proportional to 2,785.87, 4,179.57 and 1,554.15 is: 2,331.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,785.87 : 4,179.57 = 1,554.15 : x
  2. Step 2: Convert to fraction form
    2,785.87/4,179.57 = 1,554.15/x
  3. Step 3: Cross multiply
    2,785.87x = 4,179.57 × 1,554.15
  4. Step 4: Simplify right side
    2,785.87x = 6,495,678.72
  5. Step 5: Solve for x
    x = 6,495,678.72/2,785.87
  6. Step 6: Final answer
    x = 2,331.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.