Home / 2,353.36-3,246.16-1,515.16

Finding the Fourth Proportional to 2,353.36, 3,246.16 and 1,515.16

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Solution

The fourth proportional to 2,353.36, 3,246.16 and 1,515.16 is: 2,089.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,353.36 : 3,246.16 = 1,515.16 : x
  2. Step 2: Convert to fraction form
    2,353.36/3,246.16 = 1,515.16/x
  3. Step 3: Cross multiply
    2,353.36x = 3,246.16 × 1,515.16
  4. Step 4: Simplify right side
    2,353.36x = 4,918,451.79
  5. Step 5: Solve for x
    x = 4,918,451.79/2,353.36
  6. Step 6: Final answer
    x = 2,089.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.