Home / 2,973.35-4,459.43-1,391.63

Finding the Fourth Proportional to 2,973.35, 4,459.43 and 1,391.63

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Solution

The fourth proportional to 2,973.35, 4,459.43 and 1,391.63 is: 2,087.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,973.35 : 4,459.43 = 1,391.63 : x
  2. Step 2: Convert to fraction form
    2,973.35/4,459.43 = 1,391.63/x
  3. Step 3: Cross multiply
    2,973.35x = 4,459.43 × 1,391.63
  4. Step 4: Simplify right side
    2,973.35x = 6,205,847.32
  5. Step 5: Solve for x
    x = 6,205,847.32/2,973.35
  6. Step 6: Final answer
    x = 2,087.16

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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.