Home / 2,412.10-3,615.81-1,316.62

Finding the Fourth Proportional to 2,412.10, 3,615.81 and 1,316.62

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Solution

The fourth proportional to 2,412.10, 3,615.81 and 1,316.62 is: 1,973.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,412.10 : 3,615.81 = 1,316.62 : x
  2. Step 2: Convert to fraction form
    2,412.10/3,615.81 = 1,316.62/x
  3. Step 3: Cross multiply
    2,412.10x = 3,615.81 × 1,316.62
  4. Step 4: Simplify right side
    2,412.10x = 4,760,647.76
  5. Step 5: Solve for x
    x = 4,760,647.76/2,412.10
  6. Step 6: Final answer
    x = 1,973.65

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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.