Home / 1,130.16-1,694.08-544.30

Finding the Fourth Proportional to 1,130.16, 1,694.08 and 544.30

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Solution

The fourth proportional to 1,130.16, 1,694.08 and 544.30 is: 815.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,130.16 : 1,694.08 = 544.30 : x
  2. Step 2: Convert to fraction form
    1,130.16/1,694.08 = 544.30/x
  3. Step 3: Cross multiply
    1,130.16x = 1,694.08 × 544.30
  4. Step 4: Simplify right side
    1,130.16x = 922,087.74
  5. Step 5: Solve for x
    x = 922,087.74/1,130.16
  6. Step 6: Final answer
    x = 815.89

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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.