Home / 2,890.16-4,335.24-1,862

Finding the Fourth Proportional to 2,890.16, 4,335.24 and 1,862

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Solution

The fourth proportional to 2,890.16, 4,335.24 and 1,862 is: 2,793

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,890.16 : 4,335.24 = 1,862 : x
  2. Step 2: Convert to fraction form
    2,890.16/4,335.24 = 1,862/x
  3. Step 3: Cross multiply
    2,890.16x = 4,335.24 × 1,862
  4. Step 4: Simplify right side
    2,890.16x = 8,072,216.88
  5. Step 5: Solve for x
    x = 8,072,216.88/2,890.16
  6. Step 6: Final answer
    x = 2,793

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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.