Home / 3,038.30-4,192.66-1,712.19

Finding the Fourth Proportional to 3,038.30, 4,192.66 and 1,712.19

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Solution

The fourth proportional to 3,038.30, 4,192.66 and 1,712.19 is: 2,362.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,038.30 : 4,192.66 = 1,712.19 : x
  2. Step 2: Convert to fraction form
    3,038.30/4,192.66 = 1,712.19/x
  3. Step 3: Cross multiply
    3,038.30x = 4,192.66 × 1,712.19
  4. Step 4: Simplify right side
    3,038.30x = 7,178,630.53
  5. Step 5: Solve for x
    x = 7,178,630.53/3,038.30
  6. Step 6: Final answer
    x = 2,362.71

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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.