Home / 1,950.12-2,925.90-1,210.68

Finding the Fourth Proportional to 1,950.12, 2,925.90 and 1,210.68

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Solution

The fourth proportional to 1,950.12, 2,925.90 and 1,210.68 is: 1,816.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,950.12 : 2,925.90 = 1,210.68 : x
  2. Step 2: Convert to fraction form
    1,950.12/2,925.90 = 1,210.68/x
  3. Step 3: Cross multiply
    1,950.12x = 2,925.90 × 1,210.68
  4. Step 4: Simplify right side
    1,950.12x = 3,542,328.61
  5. Step 5: Solve for x
    x = 3,542,328.61/1,950.12
  6. Step 6: Final answer
    x = 1,816.47

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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.