Home / 2,890.08-4,330.94-1,572.72

Finding the Fourth Proportional to 2,890.08, 4,330.94 and 1,572.72

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Solution

The fourth proportional to 2,890.08, 4,330.94 and 1,572.72 is: 2,356.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,890.08 : 4,330.94 = 1,572.72 : x
  2. Step 2: Convert to fraction form
    2,890.08/4,330.94 = 1,572.72/x
  3. Step 3: Cross multiply
    2,890.08x = 4,330.94 × 1,572.72
  4. Step 4: Simplify right side
    2,890.08x = 6,811,331.85
  5. Step 5: Solve for x
    x = 6,811,331.85/2,890.08
  6. Step 6: Final answer
    x = 2,356.80

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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.