Home / 3,148.84-4,343.46-1,889.08

Finding the Fourth Proportional to 3,148.84, 4,343.46 and 1,889.08

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Solution

The fourth proportional to 3,148.84, 4,343.46 and 1,889.08 is: 2,605.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,148.84 : 4,343.46 = 1,889.08 : x
  2. Step 2: Convert to fraction form
    3,148.84/4,343.46 = 1,889.08/x
  3. Step 3: Cross multiply
    3,148.84x = 4,343.46 × 1,889.08
  4. Step 4: Simplify right side
    3,148.84x = 8,205,143.42
  5. Step 5: Solve for x
    x = 8,205,143.42/3,148.84
  6. Step 6: Final answer
    x = 2,605.77

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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.