Home / 2,529.48-3,491.11-1,868.25

Finding the Fourth Proportional to 2,529.48, 3,491.11 and 1,868.25

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Solution

The fourth proportional to 2,529.48, 3,491.11 and 1,868.25 is: 2,578.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,529.48 : 3,491.11 = 1,868.25 : x
  2. Step 2: Convert to fraction form
    2,529.48/3,491.11 = 1,868.25/x
  3. Step 3: Cross multiply
    2,529.48x = 3,491.11 × 1,868.25
  4. Step 4: Simplify right side
    2,529.48x = 6,522,266.26
  5. Step 5: Solve for x
    x = 6,522,266.26/2,529.48
  6. Step 6: Final answer
    x = 2,578.50

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1.5x scale

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.