Home / 1,394.07-2,091.17-572.46

Finding the Fourth Proportional to 1,394.07, 2,091.17 and 572.46

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Solution

The fourth proportional to 1,394.07, 2,091.17 and 572.46 is: 858.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,394.07 : 2,091.17 = 572.46 : x
  2. Step 2: Convert to fraction form
    1,394.07/2,091.17 = 572.46/x
  3. Step 3: Cross multiply
    1,394.07x = 2,091.17 × 572.46
  4. Step 4: Simplify right side
    1,394.07x = 1,197,111.18
  5. Step 5: Solve for x
    x = 1,197,111.18/1,394.07
  6. Step 6: Final answer
    x = 858.72

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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.