Home / 3,038.18-4,192.71-1,711.91

Finding the Fourth Proportional to 3,038.18, 4,192.71 and 1,711.91

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Solution

The fourth proportional to 3,038.18, 4,192.71 and 1,711.91 is: 2,362.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,038.18 : 4,192.71 = 1,711.91 : x
  2. Step 2: Convert to fraction form
    3,038.18/4,192.71 = 1,711.91/x
  3. Step 3: Cross multiply
    3,038.18x = 4,192.71 × 1,711.91
  4. Step 4: Simplify right side
    3,038.18x = 7,177,552.66
  5. Step 5: Solve for x
    x = 7,177,552.66/3,038.18
  6. Step 6: Final answer
    x = 2,362.45

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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.