Home / 2,900.86-4,351.88-1,234.98

Finding the Fourth Proportional to 2,900.86, 4,351.88 and 1,234.98

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Solution

The fourth proportional to 2,900.86, 4,351.88 and 1,234.98 is: 1,852.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,900.86 : 4,351.88 = 1,234.98 : x
  2. Step 2: Convert to fraction form
    2,900.86/4,351.88 = 1,234.98/x
  3. Step 3: Cross multiply
    2,900.86x = 4,351.88 × 1,234.98
  4. Step 4: Simplify right side
    2,900.86x = 5,374,484.76
  5. Step 5: Solve for x
    x = 5,374,484.76/2,900.86
  6. Step 6: Final answer
    x = 1,852.72

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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.