Home / 1,730.30-2,387.78-944.36

Finding the Fourth Proportional to 1,730.30, 2,387.78 and 944.36

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Solution

The fourth proportional to 1,730.30, 2,387.78 and 944.36 is: 1,303.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,730.30 : 2,387.78 = 944.36 : x
  2. Step 2: Convert to fraction form
    1,730.30/2,387.78 = 944.36/x
  3. Step 3: Cross multiply
    1,730.30x = 2,387.78 × 944.36
  4. Step 4: Simplify right side
    1,730.30x = 2,254,923.92
  5. Step 5: Solve for x
    x = 2,254,923.92/1,730.30
  6. Step 6: Final answer
    x = 1,303.20

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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.