Home / 2,558.91-3,533.88-1,928.42

Finding the Fourth Proportional to 2,558.91, 3,533.88 and 1,928.42

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Solution

The fourth proportional to 2,558.91, 3,533.88 and 1,928.42 is: 2,663.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,558.91 : 3,533.88 = 1,928.42 : x
  2. Step 2: Convert to fraction form
    2,558.91/3,533.88 = 1,928.42/x
  3. Step 3: Cross multiply
    2,558.91x = 3,533.88 × 1,928.42
  4. Step 4: Simplify right side
    2,558.91x = 6,814,816.71
  5. Step 5: Solve for x
    x = 6,814,816.71/2,558.91
  6. Step 6: Final answer
    x = 2,663.17

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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.