Home / 3,501.90-5,240.70-3,210.30

Finding the Fourth Proportional to 3,501.90, 5,240.70 and 3,210.30

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Solution

The fourth proportional to 3,501.90, 5,240.70 and 3,210.30 is: 4,804.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,501.90 : 5,240.70 = 3,210.30 : x
  2. Step 2: Convert to fraction form
    3,501.90/5,240.70 = 3,210.30/x
  3. Step 3: Cross multiply
    3,501.90x = 5,240.70 × 3,210.30
  4. Step 4: Simplify right side
    3,501.90x = 16,824,219.21
  5. Step 5: Solve for x
    x = 16,824,219.21/3,501.90
  6. Step 6: Final answer
    x = 4,804.31

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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.