Home / 3,555.95-4,909.86-2,297.79

Finding the Fourth Proportional to 3,555.95, 4,909.86 and 2,297.79

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Solution

The fourth proportional to 3,555.95, 4,909.86 and 2,297.79 is: 3,172.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,555.95 : 4,909.86 = 2,297.79 : x
  2. Step 2: Convert to fraction form
    3,555.95/4,909.86 = 2,297.79/x
  3. Step 3: Cross multiply
    3,555.95x = 4,909.86 × 2,297.79
  4. Step 4: Simplify right side
    3,555.95x = 11,281,827.21
  5. Step 5: Solve for x
    x = 11,281,827.21/3,555.95
  6. Step 6: Final answer
    x = 3,172.67

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1.5x scale

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.