Home / 2,558.88-3,533.03-1,970.82

Finding the Fourth Proportional to 2,558.88, 3,533.03 and 1,970.82

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Solution

The fourth proportional to 2,558.88, 3,533.03 and 1,970.82 is: 2,721.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,558.88 : 3,533.03 = 1,970.82 : x
  2. Step 2: Convert to fraction form
    2,558.88/3,533.03 = 1,970.82/x
  3. Step 3: Cross multiply
    2,558.88x = 3,533.03 × 1,970.82
  4. Step 4: Simplify right side
    2,558.88x = 6,962,956.33
  5. Step 5: Solve for x
    x = 6,962,956.33/2,558.88
  6. Step 6: Final answer
    x = 2,721.10

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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.