Home / 1,601.16-2,209.86-1,339.08

Finding the Fourth Proportional to 1,601.16, 2,209.86 and 1,339.08

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Solution

The fourth proportional to 1,601.16, 2,209.86 and 1,339.08 is: 1,848.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,601.16 : 2,209.86 = 1,339.08 : x
  2. Step 2: Convert to fraction form
    1,601.16/2,209.86 = 1,339.08/x
  3. Step 3: Cross multiply
    1,601.16x = 2,209.86 × 1,339.08
  4. Step 4: Simplify right side
    1,601.16x = 2,959,179.33
  5. Step 5: Solve for x
    x = 2,959,179.33/1,601.16
  6. Step 6: Final answer
    x = 1,848.15

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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.