Home / 2,890.42-4,331.75-1,500.86

Finding the Fourth Proportional to 2,890.42, 4,331.75 and 1,500.86

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Solution

The fourth proportional to 2,890.42, 4,331.75 and 1,500.86 is: 2,249.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,890.42 : 4,331.75 = 1,500.86 : x
  2. Step 2: Convert to fraction form
    2,890.42/4,331.75 = 1,500.86/x
  3. Step 3: Cross multiply
    2,890.42x = 4,331.75 × 1,500.86
  4. Step 4: Simplify right side
    2,890.42x = 6,501,353.63
  5. Step 5: Solve for x
    x = 6,501,353.63/2,890.42
  6. Step 6: Final answer
    x = 2,249.28

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1.5x scale

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.