Home / 2,457.92-3,393.55-1,889.74

Finding the Fourth Proportional to 2,457.92, 3,393.55 and 1,889.74

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Solution

The fourth proportional to 2,457.92, 3,393.55 and 1,889.74 is: 2,609.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,457.92 : 3,393.55 = 1,889.74 : x
  2. Step 2: Convert to fraction form
    2,457.92/3,393.55 = 1,889.74/x
  3. Step 3: Cross multiply
    2,457.92x = 3,393.55 × 1,889.74
  4. Step 4: Simplify right side
    2,457.92x = 6,412,927.18
  5. Step 5: Solve for x
    x = 6,412,927.18/2,457.92
  6. Step 6: Final answer
    x = 2,609.09

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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.