Home / 2,571.50-3,856.75-1,253.93

Finding the Fourth Proportional to 2,571.50, 3,856.75 and 1,253.93

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Solution

The fourth proportional to 2,571.50, 3,856.75 and 1,253.93 is: 1,880.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,571.50 : 3,856.75 = 1,253.93 : x
  2. Step 2: Convert to fraction form
    2,571.50/3,856.75 = 1,253.93/x
  3. Step 3: Cross multiply
    2,571.50x = 3,856.75 × 1,253.93
  4. Step 4: Simplify right side
    2,571.50x = 4,836,075.24
  5. Step 5: Solve for x
    x = 4,836,075.24/2,571.50
  6. Step 6: Final answer
    x = 1,880.65

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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.