Home / 3,615.48-5,423.96-2,056.20

Finding the Fourth Proportional to 3,615.48, 5,423.96 and 2,056.20

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Solution

The fourth proportional to 3,615.48, 5,423.96 and 2,056.20 is: 3,084.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,615.48 : 5,423.96 = 2,056.20 : x
  2. Step 2: Convert to fraction form
    3,615.48/5,423.96 = 2,056.20/x
  3. Step 3: Cross multiply
    3,615.48x = 5,423.96 × 2,056.20
  4. Step 4: Simplify right side
    3,615.48x = 11,152,746.55
  5. Step 5: Solve for x
    x = 11,152,746.55/3,615.48
  6. Step 6: Final answer
    x = 3,084.72

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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.