Home / 3,485.51-4,807.82-2,068.20

Finding the Fourth Proportional to 3,485.51, 4,807.82 and 2,068.20

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Solution

The fourth proportional to 3,485.51, 4,807.82 and 2,068.20 is: 2,852.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,485.51 : 4,807.82 = 2,068.20 : x
  2. Step 2: Convert to fraction form
    3,485.51/4,807.82 = 2,068.20/x
  3. Step 3: Cross multiply
    3,485.51x = 4,807.82 × 2,068.20
  4. Step 4: Simplify right side
    3,485.51x = 9,943,516.13
  5. Step 5: Solve for x
    x = 9,943,516.13/3,485.51
  6. Step 6: Final answer
    x = 2,852.81

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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.