Home / 1,923.08-2,656.06-1,292.60

Finding the Fourth Proportional to 1,923.08, 2,656.06 and 1,292.60

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Solution

The fourth proportional to 1,923.08, 2,656.06 and 1,292.60 is: 1,785.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,923.08 : 2,656.06 = 1,292.60 : x
  2. Step 2: Convert to fraction form
    1,923.08/2,656.06 = 1,292.60/x
  3. Step 3: Cross multiply
    1,923.08x = 2,656.06 × 1,292.60
  4. Step 4: Simplify right side
    1,923.08x = 3,433,223.16
  5. Step 5: Solve for x
    x = 3,433,223.16/1,923.08
  6. Step 6: Final answer
    x = 1,785.27

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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.