Home / 1,811.70-2,496.78-1,479.06

Finding the Fourth Proportional to 1,811.70, 2,496.78 and 1,479.06

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Solution

The fourth proportional to 1,811.70, 2,496.78 and 1,479.06 is: 2,038.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,811.70 : 2,496.78 = 1,479.06 : x
  2. Step 2: Convert to fraction form
    1,811.70/2,496.78 = 1,479.06/x
  3. Step 3: Cross multiply
    1,811.70x = 2,496.78 × 1,479.06
  4. Step 4: Simplify right side
    1,811.70x = 3,692,887.43
  5. Step 5: Solve for x
    x = 3,692,887.43/1,811.70
  6. Step 6: Final answer
    x = 2,038.35

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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.