Home / 1,445.14-1,995.26-973.56

Finding the Fourth Proportional to 1,445.14, 1,995.26 and 973.56

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Solution

The fourth proportional to 1,445.14, 1,995.26 and 973.56 is: 1,344.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,445.14 : 1,995.26 = 973.56 : x
  2. Step 2: Convert to fraction form
    1,445.14/1,995.26 = 973.56/x
  3. Step 3: Cross multiply
    1,445.14x = 1,995.26 × 973.56
  4. Step 4: Simplify right side
    1,445.14x = 1,942,505.33
  5. Step 5: Solve for x
    x = 1,942,505.33/1,445.14
  6. Step 6: Final answer
    x = 1,344.16

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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.