Home / 3,113.24-4,669.90-804.74

Finding the Fourth Proportional to 3,113.24, 4,669.90 and 804.74

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Solution

The fourth proportional to 3,113.24, 4,669.90 and 804.74 is: 1,207.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,113.24 : 4,669.90 = 804.74 : x
  2. Step 2: Convert to fraction form
    3,113.24/4,669.90 = 804.74/x
  3. Step 3: Cross multiply
    3,113.24x = 4,669.90 × 804.74
  4. Step 4: Simplify right side
    3,113.24x = 3,758,055.33
  5. Step 5: Solve for x
    x = 3,758,055.33/3,113.24
  6. Step 6: Final answer
    x = 1,207.12

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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.