Home / 4,038.40-6,061.20-2,091.94

Finding the Fourth Proportional to 4,038.40, 6,061.20 and 2,091.94

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Solution

The fourth proportional to 4,038.40, 6,061.20 and 2,091.94 is: 3,139.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,038.40 : 6,061.20 = 2,091.94 : x
  2. Step 2: Convert to fraction form
    4,038.40/6,061.20 = 2,091.94/x
  3. Step 3: Cross multiply
    4,038.40x = 6,061.20 × 2,091.94
  4. Step 4: Simplify right side
    4,038.40x = 12,679,666.73
  5. Step 5: Solve for x
    x = 12,679,666.73/4,038.40
  6. Step 6: Final answer
    x = 3,139.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.