Home / 1,397.49-2,094.41-1,071.26

Finding the Fourth Proportional to 1,397.49, 2,094.41 and 1,071.26

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Solution

The fourth proportional to 1,397.49, 2,094.41 and 1,071.26 is: 1,605.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,397.49 : 2,094.41 = 1,071.26 : x
  2. Step 2: Convert to fraction form
    1,397.49/2,094.41 = 1,071.26/x
  3. Step 3: Cross multiply
    1,397.49x = 2,094.41 × 1,071.26
  4. Step 4: Simplify right side
    1,397.49x = 2,243,657.66
  5. Step 5: Solve for x
    x = 2,243,657.66/1,397.49
  6. Step 6: Final answer
    x = 1,605.49

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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.