Home / 1,730.81-2,388.54-944.85

Finding the Fourth Proportional to 1,730.81, 2,388.54 and 944.85

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Solution

The fourth proportional to 1,730.81, 2,388.54 and 944.85 is: 1,303.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,730.81 : 2,388.54 = 944.85 : x
  2. Step 2: Convert to fraction form
    1,730.81/2,388.54 = 944.85/x
  3. Step 3: Cross multiply
    1,730.81x = 2,388.54 × 944.85
  4. Step 4: Simplify right side
    1,730.81x = 2,256,812.02
  5. Step 5: Solve for x
    x = 2,256,812.02/1,730.81
  6. Step 6: Final answer
    x = 1,303.91

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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.