Home / 2,646.61-3,652.05-1,527.28

Finding the Fourth Proportional to 2,646.61, 3,652.05 and 1,527.28

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Solution

The fourth proportional to 2,646.61, 3,652.05 and 1,527.28 is: 2,107.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,646.61 : 3,652.05 = 1,527.28 : x
  2. Step 2: Convert to fraction form
    2,646.61/3,652.05 = 1,527.28/x
  3. Step 3: Cross multiply
    2,646.61x = 3,652.05 × 1,527.28
  4. Step 4: Simplify right side
    2,646.61x = 5,577,702.92
  5. Step 5: Solve for x
    x = 5,577,702.92/2,646.61
  6. Step 6: Final answer
    x = 2,107.49

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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.