Home / 2,409.36-3,611.40-948.24

Finding the Fourth Proportional to 2,409.36, 3,611.40 and 948.24

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Solution

The fourth proportional to 2,409.36, 3,611.40 and 948.24 is: 1,421.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,409.36 : 3,611.40 = 948.24 : x
  2. Step 2: Convert to fraction form
    2,409.36/3,611.40 = 948.24/x
  3. Step 3: Cross multiply
    2,409.36x = 3,611.40 × 948.24
  4. Step 4: Simplify right side
    2,409.36x = 3,424,473.94
  5. Step 5: Solve for x
    x = 3,424,473.94/2,409.36
  6. Step 6: Final answer
    x = 1,421.32

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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.