Home / 3,515.67-5,276.61-2,740.65

Finding the Fourth Proportional to 3,515.67, 5,276.61 and 2,740.65

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Solution

The fourth proportional to 3,515.67, 5,276.61 and 2,740.65 is: 4,113.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,515.67 : 5,276.61 = 2,740.65 : x
  2. Step 2: Convert to fraction form
    3,515.67/5,276.61 = 2,740.65/x
  3. Step 3: Cross multiply
    3,515.67x = 5,276.61 × 2,740.65
  4. Step 4: Simplify right side
    3,515.67x = 14,461,341.20
  5. Step 5: Solve for x
    x = 14,461,341.20/3,515.67
  6. Step 6: Final answer
    x = 4,113.40

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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.