Home / 1,030.80-1,534.18-1,027.60

Finding the Fourth Proportional to 1,030.80, 1,534.18 and 1,027.60

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Solution

The fourth proportional to 1,030.80, 1,534.18 and 1,027.60 is: 1,529.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,030.80 : 1,534.18 = 1,027.60 : x
  2. Step 2: Convert to fraction form
    1,030.80/1,534.18 = 1,027.60/x
  3. Step 3: Cross multiply
    1,030.80x = 1,534.18 × 1,027.60
  4. Step 4: Simplify right side
    1,030.80x = 1,576,523.37
  5. Step 5: Solve for x
    x = 1,576,523.37/1,030.80
  6. Step 6: Final answer
    x = 1,529.42

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.