Home / 2,439.40-3,662.49-1,567.30

Finding the Fourth Proportional to 2,439.40, 3,662.49 and 1,567.30

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Solution

The fourth proportional to 2,439.40, 3,662.49 and 1,567.30 is: 2,353.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,439.40 : 3,662.49 = 1,567.30 : x
  2. Step 2: Convert to fraction form
    2,439.40/3,662.49 = 1,567.30/x
  3. Step 3: Cross multiply
    2,439.40x = 3,662.49 × 1,567.30
  4. Step 4: Simplify right side
    2,439.40x = 5,740,220.58
  5. Step 5: Solve for x
    x = 5,740,220.58/2,439.40
  6. Step 6: Final answer
    x = 2,353.13

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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.