Home / 3,303.14-4,951.71-1,987.29

Finding the Fourth Proportional to 3,303.14, 4,951.71 and 1,987.29

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Solution

The fourth proportional to 3,303.14, 4,951.71 and 1,987.29 is: 2,979.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,303.14 : 4,951.71 = 1,987.29 : x
  2. Step 2: Convert to fraction form
    3,303.14/4,951.71 = 1,987.29/x
  3. Step 3: Cross multiply
    3,303.14x = 4,951.71 × 1,987.29
  4. Step 4: Simplify right side
    3,303.14x = 9,840,483.77
  5. Step 5: Solve for x
    x = 9,840,483.77/3,303.14
  6. Step 6: Final answer
    x = 2,979.13

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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.