Home / 3,143.06-4,710.52-1,292.08

Finding the Fourth Proportional to 3,143.06, 4,710.52 and 1,292.08

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Solution

The fourth proportional to 3,143.06, 4,710.52 and 1,292.08 is: 1,936.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,143.06 : 4,710.52 = 1,292.08 : x
  2. Step 2: Convert to fraction form
    3,143.06/4,710.52 = 1,292.08/x
  3. Step 3: Cross multiply
    3,143.06x = 4,710.52 × 1,292.08
  4. Step 4: Simplify right side
    3,143.06x = 6,086,368.68
  5. Step 5: Solve for x
    x = 6,086,368.68/3,143.06
  6. Step 6: Final answer
    x = 1,936.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.