Home / 1,923.12-2,652.78-1,332.60

Finding the Fourth Proportional to 1,923.12, 2,652.78 and 1,332.60

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Solution

The fourth proportional to 1,923.12, 2,652.78 and 1,332.60 is: 1,838.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,923.12 : 2,652.78 = 1,332.60 : x
  2. Step 2: Convert to fraction form
    1,923.12/2,652.78 = 1,332.60/x
  3. Step 3: Cross multiply
    1,923.12x = 2,652.78 × 1,332.60
  4. Step 4: Simplify right side
    1,923.12x = 3,535,094.63
  5. Step 5: Solve for x
    x = 3,535,094.63/1,923.12
  6. Step 6: Final answer
    x = 1,838.21

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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.