Home / 3,485.79-4,809.45-2,069.52

Finding the Fourth Proportional to 3,485.79, 4,809.45 and 2,069.52

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Solution

The fourth proportional to 3,485.79, 4,809.45 and 2,069.52 is: 2,855.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,485.79 : 4,809.45 = 2,069.52 : x
  2. Step 2: Convert to fraction form
    3,485.79/4,809.45 = 2,069.52/x
  3. Step 3: Cross multiply
    3,485.79x = 4,809.45 × 2,069.52
  4. Step 4: Simplify right side
    3,485.79x = 9,953,252.96
  5. Step 5: Solve for x
    x = 9,953,252.96/3,485.79
  6. Step 6: Final answer
    x = 2,855.38

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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.