Home / 1,790.88-2,468.80-1,541.12

Finding the Fourth Proportional to 1,790.88, 2,468.80 and 1,541.12

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Solution

The fourth proportional to 1,790.88, 2,468.80 and 1,541.12 is: 2,124.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,790.88 : 2,468.80 = 1,541.12 : x
  2. Step 2: Convert to fraction form
    1,790.88/2,468.80 = 1,541.12/x
  3. Step 3: Cross multiply
    1,790.88x = 2,468.80 × 1,541.12
  4. Step 4: Simplify right side
    1,790.88x = 3,804,717.06
  5. Step 5: Solve for x
    x = 3,804,717.06/1,790.88
  6. Step 6: Final answer
    x = 2,124.50

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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.