Home / 2,134.95-2,946.03-1,190.65

Finding the Fourth Proportional to 2,134.95, 2,946.03 and 1,190.65

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Solution

The fourth proportional to 2,134.95, 2,946.03 and 1,190.65 is: 1,642.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,134.95 : 2,946.03 = 1,190.65 : x
  2. Step 2: Convert to fraction form
    2,134.95/2,946.03 = 1,190.65/x
  3. Step 3: Cross multiply
    2,134.95x = 2,946.03 × 1,190.65
  4. Step 4: Simplify right side
    2,134.95x = 3,507,690.62
  5. Step 5: Solve for x
    x = 3,507,690.62/2,134.95
  6. Step 6: Final answer
    x = 1,642.98

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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.