Home / 1,116.37-1,674.50-530.95

Finding the Fourth Proportional to 1,116.37, 1,674.50 and 530.95

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Solution

The fourth proportional to 1,116.37, 1,674.50 and 530.95 is: 796.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,116.37 : 1,674.50 = 530.95 : x
  2. Step 2: Convert to fraction form
    1,116.37/1,674.50 = 530.95/x
  3. Step 3: Cross multiply
    1,116.37x = 1,674.50 × 530.95
  4. Step 4: Simplify right side
    1,116.37x = 889,064.75
  5. Step 5: Solve for x
    x = 889,064.75/1,116.37
  6. Step 6: Final answer
    x = 796.39

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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.