Home / 1,730.71-2,388.38-944.75

Finding the Fourth Proportional to 1,730.71, 2,388.38 and 944.75

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Solution

The fourth proportional to 1,730.71, 2,388.38 and 944.75 is: 1,303.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,730.71 : 2,388.38 = 944.75 : x
  2. Step 2: Convert to fraction form
    1,730.71/2,388.38 = 944.75/x
  3. Step 3: Cross multiply
    1,730.71x = 2,388.38 × 944.75
  4. Step 4: Simplify right side
    1,730.71x = 2,256,422.01
  5. Step 5: Solve for x
    x = 2,256,422.01/1,730.71
  6. Step 6: Final answer
    x = 1,303.76

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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.