Home / 2,409.80-3,611.30-1,485.18

Finding the Fourth Proportional to 2,409.80, 3,611.30 and 1,485.18

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Solution

The fourth proportional to 2,409.80, 3,611.30 and 1,485.18 is: 2,225.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,409.80 : 3,611.30 = 1,485.18 : x
  2. Step 2: Convert to fraction form
    2,409.80/3,611.30 = 1,485.18/x
  3. Step 3: Cross multiply
    2,409.80x = 3,611.30 × 1,485.18
  4. Step 4: Simplify right side
    2,409.80x = 5,363,423.11
  5. Step 5: Solve for x
    x = 5,363,423.11/2,409.80
  6. Step 6: Final answer
    x = 2,225.68

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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.