Home / 3,555.13-5,332.70-2,790.49

Finding the Fourth Proportional to 3,555.13, 5,332.70 and 2,790.49

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Solution

The fourth proportional to 3,555.13, 5,332.70 and 2,790.49 is: 4,185.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,555.13 : 5,332.70 = 2,790.49 : x
  2. Step 2: Convert to fraction form
    3,555.13/5,332.70 = 2,790.49/x
  3. Step 3: Cross multiply
    3,555.13x = 5,332.70 × 2,790.49
  4. Step 4: Simplify right side
    3,555.13x = 14,880,846.02
  5. Step 5: Solve for x
    x = 14,880,846.02/3,555.13
  6. Step 6: Final answer
    x = 4,185.74

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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.