Home / 2,838.10-3,916.84-1,659.35

Finding the Fourth Proportional to 2,838.10, 3,916.84 and 1,659.35

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Solution

The fourth proportional to 2,838.10, 3,916.84 and 1,659.35 is: 2,290.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,838.10 : 3,916.84 = 1,659.35 : x
  2. Step 2: Convert to fraction form
    2,838.10/3,916.84 = 1,659.35/x
  3. Step 3: Cross multiply
    2,838.10x = 3,916.84 × 1,659.35
  4. Step 4: Simplify right side
    2,838.10x = 6,499,384.72
  5. Step 5: Solve for x
    x = 6,499,384.72/2,838.10
  6. Step 6: Final answer
    x = 2,290.05

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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.