Home / 3,072.30-4,239.27-2,916.66

Finding the Fourth Proportional to 3,072.30, 4,239.27 and 2,916.66

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Solution

The fourth proportional to 3,072.30, 4,239.27 and 2,916.66 is: 4,024.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,072.30 : 4,239.27 = 2,916.66 : x
  2. Step 2: Convert to fraction form
    3,072.30/4,239.27 = 2,916.66/x
  3. Step 3: Cross multiply
    3,072.30x = 4,239.27 × 2,916.66
  4. Step 4: Simplify right side
    3,072.30x = 12,364,509.24
  5. Step 5: Solve for x
    x = 12,364,509.24/3,072.30
  6. Step 6: Final answer
    x = 4,024.51

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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.