Home / 3,555.26-4,905.87-2,505.50

Finding the Fourth Proportional to 3,555.26, 4,905.87 and 2,505.50

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Solution

The fourth proportional to 3,555.26, 4,905.87 and 2,505.50 is: 3,457.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,555.26 : 4,905.87 = 2,505.50 : x
  2. Step 2: Convert to fraction form
    3,555.26/4,905.87 = 2,505.50/x
  3. Step 3: Cross multiply
    3,555.26x = 4,905.87 × 2,505.50
  4. Step 4: Simplify right side
    3,555.26x = 12,291,657.29
  5. Step 5: Solve for x
    x = 12,291,657.29/3,555.26
  6. Step 6: Final answer
    x = 3,457.32

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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.