Home / 3,117.96-4,303.10-2,330.64

Finding the Fourth Proportional to 3,117.96, 4,303.10 and 2,330.64

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Solution

The fourth proportional to 3,117.96, 4,303.10 and 2,330.64 is: 3,216.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,117.96 : 4,303.10 = 2,330.64 : x
  2. Step 2: Convert to fraction form
    3,117.96/4,303.10 = 2,330.64/x
  3. Step 3: Cross multiply
    3,117.96x = 4,303.10 × 2,330.64
  4. Step 4: Simplify right side
    3,117.96x = 10,028,976.98
  5. Step 5: Solve for x
    x = 10,028,976.98/3,117.96
  6. Step 6: Final answer
    x = 3,216.52

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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.