Home / 2,135.03-2,946.35-1,190.93

Finding the Fourth Proportional to 2,135.03, 2,946.35 and 1,190.93

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Solution

The fourth proportional to 2,135.03, 2,946.35 and 1,190.93 is: 1,643.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,135.03 : 2,946.35 = 1,190.93 : x
  2. Step 2: Convert to fraction form
    2,135.03/2,946.35 = 1,190.93/x
  3. Step 3: Cross multiply
    2,135.03x = 2,946.35 × 1,190.93
  4. Step 4: Simplify right side
    2,135.03x = 3,508,884.85
  5. Step 5: Solve for x
    x = 3,508,884.85/2,135.03
  6. Step 6: Final answer
    x = 1,643.49

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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.