Home / 2,646.09-3,651.63-1,651.38

Finding the Fourth Proportional to 2,646.09, 3,651.63 and 1,651.38

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Solution

The fourth proportional to 2,646.09, 3,651.63 and 1,651.38 is: 2,278.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,646.09 : 3,651.63 = 1,651.38 : x
  2. Step 2: Convert to fraction form
    2,646.09/3,651.63 = 1,651.38/x
  3. Step 3: Cross multiply
    2,646.09x = 3,651.63 × 1,651.38
  4. Step 4: Simplify right side
    2,646.09x = 6,030,228.75
  5. Step 5: Solve for x
    x = 6,030,228.75/2,646.09
  6. Step 6: Final answer
    x = 2,278.92

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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.