Home / 3,316.80-4,574.16-2,653.68

Finding the Fourth Proportional to 3,316.80, 4,574.16 and 2,653.68

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Solution

The fourth proportional to 3,316.80, 4,574.16 and 2,653.68 is: 3,659.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,316.80 : 4,574.16 = 2,653.68 : x
  2. Step 2: Convert to fraction form
    3,316.80/4,574.16 = 2,653.68/x
  3. Step 3: Cross multiply
    3,316.80x = 4,574.16 × 2,653.68
  4. Step 4: Simplify right side
    3,316.80x = 12,138,356.91
  5. Step 5: Solve for x
    x = 12,138,356.91/3,316.80
  6. Step 6: Final answer
    x = 3,659.66

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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.