Home / 1,585.26-2,378.37-1,123.93

Finding the Fourth Proportional to 1,585.26, 2,378.37 and 1,123.93

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Solution

The fourth proportional to 1,585.26, 2,378.37 and 1,123.93 is: 1,686.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,585.26 : 2,378.37 = 1,123.93 : x
  2. Step 2: Convert to fraction form
    1,585.26/2,378.37 = 1,123.93/x
  3. Step 3: Cross multiply
    1,585.26x = 2,378.37 × 1,123.93
  4. Step 4: Simplify right side
    1,585.26x = 2,673,121.39
  5. Step 5: Solve for x
    x = 2,673,121.39/1,585.26
  6. Step 6: Final answer
    x = 1,686.24

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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.