Home / 2,570.04-3,546.63-1,391.13

Finding the Fourth Proportional to 2,570.04, 3,546.63 and 1,391.13

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Solution

The fourth proportional to 2,570.04, 3,546.63 and 1,391.13 is: 1,919.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,570.04 : 3,546.63 = 1,391.13 : x
  2. Step 2: Convert to fraction form
    2,570.04/3,546.63 = 1,391.13/x
  3. Step 3: Cross multiply
    2,570.04x = 3,546.63 × 1,391.13
  4. Step 4: Simplify right side
    2,570.04x = 4,933,823.39
  5. Step 5: Solve for x
    x = 4,933,823.39/2,570.04
  6. Step 6: Final answer
    x = 1,919.75

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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.