Home / 3,060.07-4,223.09-1,715.77

Finding the Fourth Proportional to 3,060.07, 4,223.09 and 1,715.77

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Solution

The fourth proportional to 3,060.07, 4,223.09 and 1,715.77 is: 2,367.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,060.07 : 4,223.09 = 1,715.77 : x
  2. Step 2: Convert to fraction form
    3,060.07/4,223.09 = 1,715.77/x
  3. Step 3: Cross multiply
    3,060.07x = 4,223.09 × 1,715.77
  4. Step 4: Simplify right side
    3,060.07x = 7,245,851.13
  5. Step 5: Solve for x
    x = 7,245,851.13/3,060.07
  6. Step 6: Final answer
    x = 2,367.87

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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.