Home / 1,903.54-2,625.81-1,117.44

Finding the Fourth Proportional to 1,903.54, 2,625.81 and 1,117.44

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Solution

The fourth proportional to 1,903.54, 2,625.81 and 1,117.44 is: 1,541.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,903.54 : 2,625.81 = 1,117.44 : x
  2. Step 2: Convert to fraction form
    1,903.54/2,625.81 = 1,117.44/x
  3. Step 3: Cross multiply
    1,903.54x = 2,625.81 × 1,117.44
  4. Step 4: Simplify right side
    1,903.54x = 2,934,185.13
  5. Step 5: Solve for x
    x = 2,934,185.13/1,903.54
  6. Step 6: Final answer
    x = 1,541.44

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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.