Home / 3,117.48-4,675.14-1,955.76

Finding the Fourth Proportional to 3,117.48, 4,675.14 and 1,955.76

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Solution

The fourth proportional to 3,117.48, 4,675.14 and 1,955.76 is: 2,932.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,117.48 : 4,675.14 = 1,955.76 : x
  2. Step 2: Convert to fraction form
    3,117.48/4,675.14 = 1,955.76/x
  3. Step 3: Cross multiply
    3,117.48x = 4,675.14 × 1,955.76
  4. Step 4: Simplify right side
    3,117.48x = 9,143,451.81
  5. Step 5: Solve for x
    x = 9,143,451.81/3,117.48
  6. Step 6: Final answer
    x = 2,932.96

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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.