Home / 1,549.58-2,133.74-1,339.38

Finding the Fourth Proportional to 1,549.58, 2,133.74 and 1,339.38

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Solution

The fourth proportional to 1,549.58, 2,133.74 and 1,339.38 is: 1,844.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,549.58 : 2,133.74 = 1,339.38 : x
  2. Step 2: Convert to fraction form
    1,549.58/2,133.74 = 1,339.38/x
  3. Step 3: Cross multiply
    1,549.58x = 2,133.74 × 1,339.38
  4. Step 4: Simplify right side
    1,549.58x = 2,857,888.68
  5. Step 5: Solve for x
    x = 2,857,888.68/1,549.58
  6. Step 6: Final answer
    x = 1,844.30

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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.