Home / 3,515.36-4,852.80-2,471.36

Finding the Fourth Proportional to 3,515.36, 4,852.80 and 2,471.36

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Solution

The fourth proportional to 3,515.36, 4,852.80 and 2,471.36 is: 3,411.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,515.36 : 4,852.80 = 2,471.36 : x
  2. Step 2: Convert to fraction form
    3,515.36/4,852.80 = 2,471.36/x
  3. Step 3: Cross multiply
    3,515.36x = 4,852.80 × 2,471.36
  4. Step 4: Simplify right side
    3,515.36x = 11,993,015.81
  5. Step 5: Solve for x
    x = 11,993,015.81/3,515.36
  6. Step 6: Final answer
    x = 3,411.60

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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.