Home / 3,172.34-4,378.18-1,846.06

Finding the Fourth Proportional to 3,172.34, 4,378.18 and 1,846.06

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Solution

The fourth proportional to 3,172.34, 4,378.18 and 1,846.06 is: 2,547.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,172.34 : 4,378.18 = 1,846.06 : x
  2. Step 2: Convert to fraction form
    3,172.34/4,378.18 = 1,846.06/x
  3. Step 3: Cross multiply
    3,172.34x = 4,378.18 × 1,846.06
  4. Step 4: Simplify right side
    3,172.34x = 8,082,382.97
  5. Step 5: Solve for x
    x = 8,082,382.97/3,172.34
  6. Step 6: Final answer
    x = 2,547.77

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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.