Home / 2,050.46-2,826.32-1,421.90

Finding the Fourth Proportional to 2,050.46, 2,826.32 and 1,421.90

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Solution

The fourth proportional to 2,050.46, 2,826.32 and 1,421.90 is: 1,959.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,050.46 : 2,826.32 = 1,421.90 : x
  2. Step 2: Convert to fraction form
    2,050.46/2,826.32 = 1,421.90/x
  3. Step 3: Cross multiply
    2,050.46x = 2,826.32 × 1,421.90
  4. Step 4: Simplify right side
    2,050.46x = 4,018,744.41
  5. Step 5: Solve for x
    x = 4,018,744.41/2,050.46
  6. Step 6: Final answer
    x = 1,959.92

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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.