Home / 1,583.53-2,182.57-1,085.29

Finding the Fourth Proportional to 1,583.53, 2,182.57 and 1,085.29

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Solution

The fourth proportional to 1,583.53, 2,182.57 and 1,085.29 is: 1,495.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,583.53 : 2,182.57 = 1,085.29 : x
  2. Step 2: Convert to fraction form
    1,583.53/2,182.57 = 1,085.29/x
  3. Step 3: Cross multiply
    1,583.53x = 2,182.57 × 1,085.29
  4. Step 4: Simplify right side
    1,583.53x = 2,368,721.40
  5. Step 5: Solve for x
    x = 2,368,721.40/1,583.53
  6. Step 6: Final answer
    x = 1,495.85

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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.