Home / 4,338.40-5,984.40-3,077.68

Finding the Fourth Proportional to 4,338.40, 5,984.40 and 3,077.68

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Solution

The fourth proportional to 4,338.40, 5,984.40 and 3,077.68 is: 4,245.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,338.40 : 5,984.40 = 3,077.68 : x
  2. Step 2: Convert to fraction form
    4,338.40/5,984.40 = 3,077.68/x
  3. Step 3: Cross multiply
    4,338.40x = 5,984.40 × 3,077.68
  4. Step 4: Simplify right side
    4,338.40x = 18,418,068.19
  5. Step 5: Solve for x
    x = 18,418,068.19/4,338.40
  6. Step 6: Final answer
    x = 4,245.36

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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.