Home / 2,340.37-3,515.40-1,856.80

Finding the Fourth Proportional to 2,340.37, 3,515.40 and 1,856.80

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Solution

The fourth proportional to 2,340.37, 3,515.40 and 1,856.80 is: 2,789.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,340.37 : 3,515.40 = 1,856.80 : x
  2. Step 2: Convert to fraction form
    2,340.37/3,515.40 = 1,856.80/x
  3. Step 3: Cross multiply
    2,340.37x = 3,515.40 × 1,856.80
  4. Step 4: Simplify right side
    2,340.37x = 6,527,394.72
  5. Step 5: Solve for x
    x = 6,527,394.72/2,340.37
  6. Step 6: Final answer
    x = 2,789.04

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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.