Home / 2,646.68-3,651.69-1,652.12

Finding the Fourth Proportional to 2,646.68, 3,651.69 and 1,652.12

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Solution

The fourth proportional to 2,646.68, 3,651.69 and 1,652.12 is: 2,279.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,646.68 : 3,651.69 = 1,652.12 : x
  2. Step 2: Convert to fraction form
    2,646.68/3,651.69 = 1,652.12/x
  3. Step 3: Cross multiply
    2,646.68x = 3,651.69 × 1,652.12
  4. Step 4: Simplify right side
    2,646.68x = 6,033,011.82
  5. Step 5: Solve for x
    x = 6,033,011.82/2,646.68
  6. Step 6: Final answer
    x = 2,279.47

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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.