Home / 3,055.20-4,576.68-1,409.40

Finding the Fourth Proportional to 3,055.20, 4,576.68 and 1,409.40

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Solution

The fourth proportional to 3,055.20, 4,576.68 and 1,409.40 is: 2,111.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,055.20 : 4,576.68 = 1,409.40 : x
  2. Step 2: Convert to fraction form
    3,055.20/4,576.68 = 1,409.40/x
  3. Step 3: Cross multiply
    3,055.20x = 4,576.68 × 1,409.40
  4. Step 4: Simplify right side
    3,055.20x = 6,450,372.79
  5. Step 5: Solve for x
    x = 6,450,372.79/3,055.20
  6. Step 6: Final answer
    x = 2,111.28

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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.