Home / 3,501.15-4,842.21-3,127.60

Finding the Fourth Proportional to 3,501.15, 4,842.21 and 3,127.60

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Solution

The fourth proportional to 3,501.15, 4,842.21 and 3,127.60 is: 4,325.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,501.15 : 4,842.21 = 3,127.60 : x
  2. Step 2: Convert to fraction form
    3,501.15/4,842.21 = 3,127.60/x
  3. Step 3: Cross multiply
    3,501.15x = 4,842.21 × 3,127.60
  4. Step 4: Simplify right side
    3,501.15x = 15,144,496.00
  5. Step 5: Solve for x
    x = 15,144,496.00/3,501.15
  6. Step 6: Final answer
    x = 4,325.58

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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.