Home / 1,530.28-2,111.94-1,033.95

Finding the Fourth Proportional to 1,530.28, 2,111.94 and 1,033.95

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Solution

The fourth proportional to 1,530.28, 2,111.94 and 1,033.95 is: 1,426.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,530.28 : 2,111.94 = 1,033.95 : x
  2. Step 2: Convert to fraction form
    1,530.28/2,111.94 = 1,033.95/x
  3. Step 3: Cross multiply
    1,530.28x = 2,111.94 × 1,033.95
  4. Step 4: Simplify right side
    1,530.28x = 2,183,640.36
  5. Step 5: Solve for x
    x = 2,183,640.36/1,530.28
  6. Step 6: Final answer
    x = 1,426.95

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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.