Home / 3,210.10-4,430.26-1,950.88

Finding the Fourth Proportional to 3,210.10, 4,430.26 and 1,950.88

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Solution

The fourth proportional to 3,210.10, 4,430.26 and 1,950.88 is: 2,692.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,210.10 : 4,430.26 = 1,950.88 : x
  2. Step 2: Convert to fraction form
    3,210.10/4,430.26 = 1,950.88/x
  3. Step 3: Cross multiply
    3,210.10x = 4,430.26 × 1,950.88
  4. Step 4: Simplify right side
    3,210.10x = 8,642,905.63
  5. Step 5: Solve for x
    x = 8,642,905.63/3,210.10
  6. Step 6: Final answer
    x = 2,692.41

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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.