Home / 2,651.20-3,659.22-1,854.16

Finding the Fourth Proportional to 2,651.20, 3,659.22 and 1,854.16

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Solution

The fourth proportional to 2,651.20, 3,659.22 and 1,854.16 is: 2,559.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,651.20 : 3,659.22 = 1,854.16 : x
  2. Step 2: Convert to fraction form
    2,651.20/3,659.22 = 1,854.16/x
  3. Step 3: Cross multiply
    2,651.20x = 3,659.22 × 1,854.16
  4. Step 4: Simplify right side
    2,651.20x = 6,784,779.36
  5. Step 5: Solve for x
    x = 6,784,779.36/2,651.20
  6. Step 6: Final answer
    x = 2,559.14

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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.