Home / 2,615.28-3,918.74-2,349.74

Finding the Fourth Proportional to 2,615.28, 3,918.74 and 2,349.74

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Solution

The fourth proportional to 2,615.28, 3,918.74 and 2,349.74 is: 3,520.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,615.28 : 3,918.74 = 2,349.74 : x
  2. Step 2: Convert to fraction form
    2,615.28/3,918.74 = 2,349.74/x
  3. Step 3: Cross multiply
    2,615.28x = 3,918.74 × 2,349.74
  4. Step 4: Simplify right side
    2,615.28x = 9,207,988.79
  5. Step 5: Solve for x
    x = 9,207,988.79/2,615.28
  6. Step 6: Final answer
    x = 3,520.84

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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.