Home / 3,485.61-4,809.51-2,646.09

Finding the Fourth Proportional to 3,485.61, 4,809.51 and 2,646.09

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Solution

The fourth proportional to 3,485.61, 4,809.51 and 2,646.09 is: 3,651.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,485.61 : 4,809.51 = 2,646.09 : x
  2. Step 2: Convert to fraction form
    3,485.61/4,809.51 = 2,646.09/x
  3. Step 3: Cross multiply
    3,485.61x = 4,809.51 × 2,646.09
  4. Step 4: Simplify right side
    3,485.61x = 12,726,396.32
  5. Step 5: Solve for x
    x = 12,726,396.32/3,485.61
  6. Step 6: Final answer
    x = 3,651.12

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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.