Home / 2,134.49-2,945.62-1,190.35

Finding the Fourth Proportional to 2,134.49, 2,945.62 and 1,190.35

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Solution

The fourth proportional to 2,134.49, 2,945.62 and 1,190.35 is: 1,642.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,134.49 : 2,945.62 = 1,190.35 : x
  2. Step 2: Convert to fraction form
    2,134.49/2,945.62 = 1,190.35/x
  3. Step 3: Cross multiply
    2,134.49x = 2,945.62 × 1,190.35
  4. Step 4: Simplify right side
    2,134.49x = 3,506,300.03
  5. Step 5: Solve for x
    x = 3,506,300.03/2,134.49
  6. Step 6: Final answer
    x = 1,642.68

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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.