Home / 1,715.54-2,571.93-1,618.94

Finding the Fourth Proportional to 1,715.54, 2,571.93 and 1,618.94

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Solution

The fourth proportional to 1,715.54, 2,571.93 and 1,618.94 is: 2,427.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,715.54 : 2,571.93 = 1,618.94 : x
  2. Step 2: Convert to fraction form
    1,715.54/2,571.93 = 1,618.94/x
  3. Step 3: Cross multiply
    1,715.54x = 2,571.93 × 1,618.94
  4. Step 4: Simplify right side
    1,715.54x = 4,163,800.35
  5. Step 5: Solve for x
    x = 4,163,800.35/1,715.54
  6. Step 6: Final answer
    x = 2,427.11

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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.