Home / 3,148.52-4,344.50-1,889.32

Finding the Fourth Proportional to 3,148.52, 4,344.50 and 1,889.32

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Solution

The fourth proportional to 3,148.52, 4,344.50 and 1,889.32 is: 2,606.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,148.52 : 4,344.50 = 1,889.32 : x
  2. Step 2: Convert to fraction form
    3,148.52/4,344.50 = 1,889.32/x
  3. Step 3: Cross multiply
    3,148.52x = 4,344.50 × 1,889.32
  4. Step 4: Simplify right side
    3,148.52x = 8,208,150.74
  5. Step 5: Solve for x
    x = 8,208,150.74/3,148.52
  6. Step 6: Final answer
    x = 2,606.99

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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.