Home / 2,890.61-4,333.06-1,134.51

Finding the Fourth Proportional to 2,890.61, 4,333.06 and 1,134.51

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Solution

The fourth proportional to 2,890.61, 4,333.06 and 1,134.51 is: 1,700.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,890.61 : 4,333.06 = 1,134.51 : x
  2. Step 2: Convert to fraction form
    2,890.61/4,333.06 = 1,134.51/x
  3. Step 3: Cross multiply
    2,890.61x = 4,333.06 × 1,134.51
  4. Step 4: Simplify right side
    2,890.61x = 4,915,909.44
  5. Step 5: Solve for x
    x = 4,915,909.44/2,890.61
  6. Step 6: Final answer
    x = 1,700.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.