Home / 2,646.35-3,652.77-1,528.02

Finding the Fourth Proportional to 2,646.35, 3,652.77 and 1,528.02

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Solution

The fourth proportional to 2,646.35, 3,652.77 and 1,528.02 is: 2,109.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,646.35 : 3,652.77 = 1,528.02 : x
  2. Step 2: Convert to fraction form
    2,646.35/3,652.77 = 1,528.02/x
  3. Step 3: Cross multiply
    2,646.35x = 3,652.77 × 1,528.02
  4. Step 4: Simplify right side
    2,646.35x = 5,581,505.62
  5. Step 5: Solve for x
    x = 5,581,505.62/2,646.35
  6. Step 6: Final answer
    x = 2,109.13

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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.