Home / 1,533.03-2,116.19-973.81

Finding the Fourth Proportional to 1,533.03, 2,116.19 and 973.81

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Solution

The fourth proportional to 1,533.03, 2,116.19 and 973.81 is: 1,344.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,533.03 : 2,116.19 = 973.81 : x
  2. Step 2: Convert to fraction form
    1,533.03/2,116.19 = 973.81/x
  3. Step 3: Cross multiply
    1,533.03x = 2,116.19 × 973.81
  4. Step 4: Simplify right side
    1,533.03x = 2,060,754.68
  5. Step 5: Solve for x
    x = 2,060,754.68/1,533.03
  6. Step 6: Final answer
    x = 1,344.24

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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.