Home / 1,647.86-2,273.28-1,017.88

Finding the Fourth Proportional to 1,647.86, 2,273.28 and 1,017.88

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Solution

The fourth proportional to 1,647.86, 2,273.28 and 1,017.88 is: 1,404.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,647.86 : 2,273.28 = 1,017.88 : x
  2. Step 2: Convert to fraction form
    1,647.86/2,273.28 = 1,017.88/x
  3. Step 3: Cross multiply
    1,647.86x = 2,273.28 × 1,017.88
  4. Step 4: Simplify right side
    1,647.86x = 2,313,935.26
  5. Step 5: Solve for x
    x = 2,313,935.26/1,647.86
  6. Step 6: Final answer
    x = 1,404.21

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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.