Home / 3,555.07-4,905.63-2,062.70

Finding the Fourth Proportional to 3,555.07, 4,905.63 and 2,062.70

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Solution

The fourth proportional to 3,555.07, 4,905.63 and 2,062.70 is: 2,846.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,555.07 : 4,905.63 = 2,062.70 : x
  2. Step 2: Convert to fraction form
    3,555.07/4,905.63 = 2,062.70/x
  3. Step 3: Cross multiply
    3,555.07x = 4,905.63 × 2,062.70
  4. Step 4: Simplify right side
    3,555.07x = 10,118,839.87
  5. Step 5: Solve for x
    x = 10,118,839.87/3,555.07
  6. Step 6: Final answer
    x = 2,846.31

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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.