Home / 2,573.70-3,551.71-1,394.77

Finding the Fourth Proportional to 2,573.70, 3,551.71 and 1,394.77

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Solution

The fourth proportional to 2,573.70, 3,551.71 and 1,394.77 is: 1,924.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,573.70 : 3,551.71 = 1,394.77 : x
  2. Step 2: Convert to fraction form
    2,573.70/3,551.71 = 1,394.77/x
  3. Step 3: Cross multiply
    2,573.70x = 3,551.71 × 1,394.77
  4. Step 4: Simplify right side
    2,573.70x = 4,953,800.80
  5. Step 5: Solve for x
    x = 4,953,800.80/2,573.70
  6. Step 6: Final answer
    x = 1,924.78

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1.5x scale

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.