Home / 1,534.15-2,116.34-1,003.34

Finding the Fourth Proportional to 1,534.15, 2,116.34 and 1,003.34

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Solution

The fourth proportional to 1,534.15, 2,116.34 and 1,003.34 is: 1,384.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,534.15 : 2,116.34 = 1,003.34 : x
  2. Step 2: Convert to fraction form
    1,534.15/2,116.34 = 1,003.34/x
  3. Step 3: Cross multiply
    1,534.15x = 2,116.34 × 1,003.34
  4. Step 4: Simplify right side
    1,534.15x = 2,123,416.37
  5. Step 5: Solve for x
    x = 2,123,416.37/1,534.15
  6. Step 6: Final answer
    x = 1,384.10

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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.