Home / 1,807.07-2,493.93-1,098.75

Finding the Fourth Proportional to 1,807.07, 2,493.93 and 1,098.75

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Solution

The fourth proportional to 1,807.07, 2,493.93 and 1,098.75 is: 1,516.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,807.07 : 2,493.93 = 1,098.75 : x
  2. Step 2: Convert to fraction form
    1,807.07/2,493.93 = 1,098.75/x
  3. Step 3: Cross multiply
    1,807.07x = 2,493.93 × 1,098.75
  4. Step 4: Simplify right side
    1,807.07x = 2,740,205.59
  5. Step 5: Solve for x
    x = 2,740,205.59/1,807.07
  6. Step 6: Final answer
    x = 1,516.38

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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.