Home / 2,810.49-4,216.34-1,578.61

Finding the Fourth Proportional to 2,810.49, 4,216.34 and 1,578.61

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Solution

The fourth proportional to 2,810.49, 4,216.34 and 1,578.61 is: 2,368.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,810.49 : 4,216.34 = 1,578.61 : x
  2. Step 2: Convert to fraction form
    2,810.49/4,216.34 = 1,578.61/x
  3. Step 3: Cross multiply
    2,810.49x = 4,216.34 × 1,578.61
  4. Step 4: Simplify right side
    2,810.49x = 6,655,956.49
  5. Step 5: Solve for x
    x = 6,655,956.49/2,810.49
  6. Step 6: Final answer
    x = 2,368.25

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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.