Home / 1,573.54-2,170.38-1,335.85

Finding the Fourth Proportional to 1,573.54, 2,170.38 and 1,335.85

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Solution

The fourth proportional to 1,573.54, 2,170.38 and 1,335.85 is: 1,842.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,573.54 : 2,170.38 = 1,335.85 : x
  2. Step 2: Convert to fraction form
    1,573.54/2,170.38 = 1,335.85/x
  3. Step 3: Cross multiply
    1,573.54x = 2,170.38 × 1,335.85
  4. Step 4: Simplify right side
    1,573.54x = 2,899,291.27
  5. Step 5: Solve for x
    x = 2,899,291.27/1,573.54
  6. Step 6: Final answer
    x = 1,842.53

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Double scale
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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.