Home / 1,931.74-2,665.36-1,303.43

Finding the Fourth Proportional to 1,931.74, 2,665.36 and 1,303.43

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Solution

The fourth proportional to 1,931.74, 2,665.36 and 1,303.43 is: 1,798.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,931.74 : 2,665.36 = 1,303.43 : x
  2. Step 2: Convert to fraction form
    1,931.74/2,665.36 = 1,303.43/x
  3. Step 3: Cross multiply
    1,931.74x = 2,665.36 × 1,303.43
  4. Step 4: Simplify right side
    1,931.74x = 3,474,110.33
  5. Step 5: Solve for x
    x = 3,474,110.33/1,931.74
  6. Step 6: Final answer
    x = 1,798.44

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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.