Home / 3,095.99-4,273.30-1,916.40

Finding the Fourth Proportional to 3,095.99, 4,273.30 and 1,916.40

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Solution

The fourth proportional to 3,095.99, 4,273.30 and 1,916.40 is: 2,645.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,095.99 : 4,273.30 = 1,916.40 : x
  2. Step 2: Convert to fraction form
    3,095.99/4,273.30 = 1,916.40/x
  3. Step 3: Cross multiply
    3,095.99x = 4,273.30 × 1,916.40
  4. Step 4: Simplify right side
    3,095.99x = 8,189,352.12
  5. Step 5: Solve for x
    x = 8,189,352.12/3,095.99
  6. Step 6: Final answer
    x = 2,645.15

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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.