Home / 3,555.96-4,909.65-2,300.07

Finding the Fourth Proportional to 3,555.96, 4,909.65 and 2,300.07

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Solution

The fourth proportional to 3,555.96, 4,909.65 and 2,300.07 is: 3,175.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,555.96 : 4,909.65 = 2,300.07 : x
  2. Step 2: Convert to fraction form
    3,555.96/4,909.65 = 2,300.07/x
  3. Step 3: Cross multiply
    3,555.96x = 4,909.65 × 2,300.07
  4. Step 4: Simplify right side
    3,555.96x = 11,292,538.68
  5. Step 5: Solve for x
    x = 11,292,538.68/3,555.96
  6. Step 6: Final answer
    x = 3,175.67

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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.