Home / 3,012.36-4,516.84-931.77

Finding the Fourth Proportional to 3,012.36, 4,516.84 and 931.77

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Solution

The fourth proportional to 3,012.36, 4,516.84 and 931.77 is: 1,397.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,012.36 : 4,516.84 = 931.77 : x
  2. Step 2: Convert to fraction form
    3,012.36/4,516.84 = 931.77/x
  3. Step 3: Cross multiply
    3,012.36x = 4,516.84 × 931.77
  4. Step 4: Simplify right side
    3,012.36x = 4,208,656.01
  5. Step 5: Solve for x
    x = 4,208,656.01/3,012.36
  6. Step 6: Final answer
    x = 1,397.13

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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.