Home / 2,670.13-3,684.99-1,551.40

Finding the Fourth Proportional to 2,670.13, 3,684.99 and 1,551.40

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Solution

The fourth proportional to 2,670.13, 3,684.99 and 1,551.40 is: 2,141.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,670.13 : 3,684.99 = 1,551.40 : x
  2. Step 2: Convert to fraction form
    2,670.13/3,684.99 = 1,551.40/x
  3. Step 3: Cross multiply
    2,670.13x = 3,684.99 × 1,551.40
  4. Step 4: Simplify right side
    2,670.13x = 5,716,893.49
  5. Step 5: Solve for x
    x = 5,716,893.49/2,670.13
  6. Step 6: Final answer
    x = 2,141.05

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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.