Home / 3,285.51-4,534.76-2,166.64

Finding the Fourth Proportional to 3,285.51, 4,534.76 and 2,166.64

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Solution

The fourth proportional to 3,285.51, 4,534.76 and 2,166.64 is: 2,990.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,285.51 : 4,534.76 = 2,166.64 : x
  2. Step 2: Convert to fraction form
    3,285.51/4,534.76 = 2,166.64/x
  3. Step 3: Cross multiply
    3,285.51x = 4,534.76 × 2,166.64
  4. Step 4: Simplify right side
    3,285.51x = 9,825,192.41
  5. Step 5: Solve for x
    x = 9,825,192.41/3,285.51
  6. Step 6: Final answer
    x = 2,990.46

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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.