Home / 2,885.83-4,330.63-1,790.94

Finding the Fourth Proportional to 2,885.83, 4,330.63 and 1,790.94

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Solution

The fourth proportional to 2,885.83, 4,330.63 and 1,790.94 is: 2,687.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,885.83 : 4,330.63 = 1,790.94 : x
  2. Step 2: Convert to fraction form
    2,885.83/4,330.63 = 1,790.94/x
  3. Step 3: Cross multiply
    2,885.83x = 4,330.63 × 1,790.94
  4. Step 4: Simplify right side
    2,885.83x = 7,755,916.97
  5. Step 5: Solve for x
    x = 7,755,916.97/2,885.83
  6. Step 6: Final answer
    x = 2,687.59

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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.