Home / 1,807.18-2,493.99-1,021.07

Finding the Fourth Proportional to 1,807.18, 2,493.99 and 1,021.07

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Solution

The fourth proportional to 1,807.18, 2,493.99 and 1,021.07 is: 1,409.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,807.18 : 2,493.99 = 1,021.07 : x
  2. Step 2: Convert to fraction form
    1,807.18/2,493.99 = 1,021.07/x
  3. Step 3: Cross multiply
    1,807.18x = 2,493.99 × 1,021.07
  4. Step 4: Simplify right side
    1,807.18x = 2,546,544.60
  5. Step 5: Solve for x
    x = 2,546,544.60/1,807.18
  6. Step 6: Final answer
    x = 1,409.13

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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.