Home / 2,038.85-2,811.81-1,567.88

Finding the Fourth Proportional to 2,038.85, 2,811.81 and 1,567.88

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Solution

The fourth proportional to 2,038.85, 2,811.81 and 1,567.88 is: 2,162.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,038.85 : 2,811.81 = 1,567.88 : x
  2. Step 2: Convert to fraction form
    2,038.85/2,811.81 = 1,567.88/x
  3. Step 3: Cross multiply
    2,038.85x = 2,811.81 × 1,567.88
  4. Step 4: Simplify right side
    2,038.85x = 4,408,590.94
  5. Step 5: Solve for x
    x = 4,408,590.94/2,038.85
  6. Step 6: Final answer
    x = 2,162.30

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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.