Home / 3,038.10-4,192.43-1,711.88

Finding the Fourth Proportional to 3,038.10, 4,192.43 and 1,711.88

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Solution

The fourth proportional to 3,038.10, 4,192.43 and 1,711.88 is: 2,362.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,038.10 : 4,192.43 = 1,711.88 : x
  2. Step 2: Convert to fraction form
    3,038.10/4,192.43 = 1,711.88/x
  3. Step 3: Cross multiply
    3,038.10x = 4,192.43 × 1,711.88
  4. Step 4: Simplify right side
    3,038.10x = 7,176,938.99
  5. Step 5: Solve for x
    x = 7,176,938.99/3,038.10
  6. Step 6: Final answer
    x = 2,362.31

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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.