Home / 2,619.34-3,609.16-2,407.12

Finding the Fourth Proportional to 2,619.34, 3,609.16 and 2,407.12

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Solution

The fourth proportional to 2,619.34, 3,609.16 and 2,407.12 is: 3,316.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,619.34 : 3,609.16 = 2,407.12 : x
  2. Step 2: Convert to fraction form
    2,619.34/3,609.16 = 2,407.12/x
  3. Step 3: Cross multiply
    2,619.34x = 3,609.16 × 2,407.12
  4. Step 4: Simplify right side
    2,619.34x = 8,687,666.18
  5. Step 5: Solve for x
    x = 8,687,666.18/2,619.34
  6. Step 6: Final answer
    x = 3,316.74

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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.