Home / 1,694.52-2,541.33-1,420.74

Finding the Fourth Proportional to 1,694.52, 2,541.33 and 1,420.74

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Solution

The fourth proportional to 1,694.52, 2,541.33 and 1,420.74 is: 2,130.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,694.52 : 2,541.33 = 1,420.74 : x
  2. Step 2: Convert to fraction form
    1,694.52/2,541.33 = 1,420.74/x
  3. Step 3: Cross multiply
    1,694.52x = 2,541.33 × 1,420.74
  4. Step 4: Simplify right side
    1,694.52x = 3,610,569.18
  5. Step 5: Solve for x
    x = 3,610,569.18/1,694.52
  6. Step 6: Final answer
    x = 2,130.73

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.