Home / 1,486.92-2,050.62-1,207.08

Finding the Fourth Proportional to 1,486.92, 2,050.62 and 1,207.08

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Solution

The fourth proportional to 1,486.92, 2,050.62 and 1,207.08 is: 1,664.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,486.92 : 2,050.62 = 1,207.08 : x
  2. Step 2: Convert to fraction form
    1,486.92/2,050.62 = 1,207.08/x
  3. Step 3: Cross multiply
    1,486.92x = 2,050.62 × 1,207.08
  4. Step 4: Simplify right side
    1,486.92x = 2,475,262.39
  5. Step 5: Solve for x
    x = 2,475,262.39/1,486.92
  6. Step 6: Final answer
    x = 1,664.69

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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.