Home / 1,216.05-1,824.41-558.36

Finding the Fourth Proportional to 1,216.05, 1,824.41 and 558.36

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Solution

The fourth proportional to 1,216.05, 1,824.41 and 558.36 is: 837.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,216.05 : 1,824.41 = 558.36 : x
  2. Step 2: Convert to fraction form
    1,216.05/1,824.41 = 558.36/x
  3. Step 3: Cross multiply
    1,216.05x = 1,824.41 × 558.36
  4. Step 4: Simplify right side
    1,216.05x = 1,018,678.96
  5. Step 5: Solve for x
    x = 1,018,678.96/1,216.05
  6. Step 6: Final answer
    x = 837.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.