Home / 2,351.83-3,244.08-1,555.16

Finding the Fourth Proportional to 2,351.83, 3,244.08 and 1,555.16

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Solution

The fourth proportional to 2,351.83, 3,244.08 and 1,555.16 is: 2,145.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,351.83 : 3,244.08 = 1,555.16 : x
  2. Step 2: Convert to fraction form
    2,351.83/3,244.08 = 1,555.16/x
  3. Step 3: Cross multiply
    2,351.83x = 3,244.08 × 1,555.16
  4. Step 4: Simplify right side
    2,351.83x = 5,045,063.45
  5. Step 5: Solve for x
    x = 5,045,063.45/2,351.83
  6. Step 6: Final answer
    x = 2,145.17

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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.