Home / 2,134.35-3,181.53-1,898.91

Finding the Fourth Proportional to 2,134.35, 3,181.53 and 1,898.91

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Solution

The fourth proportional to 2,134.35, 3,181.53 and 1,898.91 is: 2,830.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,134.35 : 3,181.53 = 1,898.91 : x
  2. Step 2: Convert to fraction form
    2,134.35/3,181.53 = 1,898.91/x
  3. Step 3: Cross multiply
    2,134.35x = 3,181.53 × 1,898.91
  4. Step 4: Simplify right side
    2,134.35x = 6,041,439.13
  5. Step 5: Solve for x
    x = 6,041,439.13/2,134.35
  6. Step 6: Final answer
    x = 2,830.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.