Home / 2,291.15-3,436.73-1,558.91

Finding the Fourth Proportional to 2,291.15, 3,436.73 and 1,558.91

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Solution

The fourth proportional to 2,291.15, 3,436.73 and 1,558.91 is: 2,338.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,291.15 : 3,436.73 = 1,558.91 : x
  2. Step 2: Convert to fraction form
    2,291.15/3,436.73 = 1,558.91/x
  3. Step 3: Cross multiply
    2,291.15x = 3,436.73 × 1,558.91
  4. Step 4: Simplify right side
    2,291.15x = 5,357,559.41
  5. Step 5: Solve for x
    x = 5,357,559.41/2,291.15
  6. Step 6: Final answer
    x = 2,338.37

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1.5x scale

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.