Home / 3,319.65-4,583.39-2,126.39

Finding the Fourth Proportional to 3,319.65, 4,583.39 and 2,126.39

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Solution

The fourth proportional to 3,319.65, 4,583.39 and 2,126.39 is: 2,935.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,319.65 : 4,583.39 = 2,126.39 : x
  2. Step 2: Convert to fraction form
    3,319.65/4,583.39 = 2,126.39/x
  3. Step 3: Cross multiply
    3,319.65x = 4,583.39 × 2,126.39
  4. Step 4: Simplify right side
    3,319.65x = 9,746,041.11
  5. Step 5: Solve for x
    x = 9,746,041.11/3,319.65
  6. Step 6: Final answer
    x = 2,935.86

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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.