Home / 3,318.48-4,987.44-3,077.10

Finding the Fourth Proportional to 3,318.48, 4,987.44 and 3,077.10

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Solution

The fourth proportional to 3,318.48, 4,987.44 and 3,077.10 is: 4,624.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,318.48 : 4,987.44 = 3,077.10 : x
  2. Step 2: Convert to fraction form
    3,318.48/4,987.44 = 3,077.10/x
  3. Step 3: Cross multiply
    3,318.48x = 4,987.44 × 3,077.10
  4. Step 4: Simplify right side
    3,318.48x = 15,346,851.62
  5. Step 5: Solve for x
    x = 15,346,851.62/3,318.48
  6. Step 6: Final answer
    x = 4,624.66

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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.