Home / 1,849.64-2,551.60-1,647.68

Finding the Fourth Proportional to 1,849.64, 2,551.60 and 1,647.68

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Solution

The fourth proportional to 1,849.64, 2,551.60 and 1,647.68 is: 2,272.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,849.64 : 2,551.60 = 1,647.68 : x
  2. Step 2: Convert to fraction form
    1,849.64/2,551.60 = 1,647.68/x
  3. Step 3: Cross multiply
    1,849.64x = 2,551.60 × 1,647.68
  4. Step 4: Simplify right side
    1,849.64x = 4,204,220.29
  5. Step 5: Solve for x
    x = 4,204,220.29/1,849.64
  6. Step 6: Final answer
    x = 2,272.99

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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.