Home / 1,558.92-2,149.64-1,535.94

Finding the Fourth Proportional to 1,558.92, 2,149.64 and 1,535.94

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Solution

The fourth proportional to 1,558.92, 2,149.64 and 1,535.94 is: 2,117.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,558.92 : 2,149.64 = 1,535.94 : x
  2. Step 2: Convert to fraction form
    1,558.92/2,149.64 = 1,535.94/x
  3. Step 3: Cross multiply
    1,558.92x = 2,149.64 × 1,535.94
  4. Step 4: Simplify right side
    1,558.92x = 3,301,710.38
  5. Step 5: Solve for x
    x = 3,301,710.38/1,558.92
  6. Step 6: Final answer
    x = 2,117.95

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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.