Home / 2,646.47-3,652.94-1,528.14

Finding the Fourth Proportional to 2,646.47, 3,652.94 and 1,528.14

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Solution

The fourth proportional to 2,646.47, 3,652.94 and 1,528.14 is: 2,109.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,646.47 : 3,652.94 = 1,528.14 : x
  2. Step 2: Convert to fraction form
    2,646.47/3,652.94 = 1,528.14/x
  3. Step 3: Cross multiply
    2,646.47x = 3,652.94 × 1,528.14
  4. Step 4: Simplify right side
    2,646.47x = 5,582,203.73
  5. Step 5: Solve for x
    x = 5,582,203.73/2,646.47
  6. Step 6: Final answer
    x = 2,109.30

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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.