Home / 1,542.09-2,125.95-1,043.94

Finding the Fourth Proportional to 1,542.09, 2,125.95 and 1,043.94

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Solution

The fourth proportional to 1,542.09, 2,125.95 and 1,043.94 is: 1,439.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,542.09 : 2,125.95 = 1,043.94 : x
  2. Step 2: Convert to fraction form
    1,542.09/2,125.95 = 1,043.94/x
  3. Step 3: Cross multiply
    1,542.09x = 2,125.95 × 1,043.94
  4. Step 4: Simplify right side
    1,542.09x = 2,219,364.24
  5. Step 5: Solve for x
    x = 2,219,364.24/1,542.09
  6. Step 6: Final answer
    x = 1,439.19

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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.