Home / 2,406.49-3,609.83-1,430.44

Finding the Fourth Proportional to 2,406.49, 3,609.83 and 1,430.44

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Solution

The fourth proportional to 2,406.49, 3,609.83 and 1,430.44 is: 2,145.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,406.49 : 3,609.83 = 1,430.44 : x
  2. Step 2: Convert to fraction form
    2,406.49/3,609.83 = 1,430.44/x
  3. Step 3: Cross multiply
    2,406.49x = 3,609.83 × 1,430.44
  4. Step 4: Simplify right side
    2,406.49x = 5,163,639.78
  5. Step 5: Solve for x
    x = 5,163,639.78/2,406.49
  6. Step 6: Final answer
    x = 2,145.72

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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.