Home / 3,130.04-4,318.70-1,950.27

Finding the Fourth Proportional to 3,130.04, 4,318.70 and 1,950.27

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Solution

The fourth proportional to 3,130.04, 4,318.70 and 1,950.27 is: 2,690.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,130.04 : 4,318.70 = 1,950.27 : x
  2. Step 2: Convert to fraction form
    3,130.04/4,318.70 = 1,950.27/x
  3. Step 3: Cross multiply
    3,130.04x = 4,318.70 × 1,950.27
  4. Step 4: Simplify right side
    3,130.04x = 8,422,621.30
  5. Step 5: Solve for x
    x = 8,422,621.30/3,130.04
  6. Step 6: Final answer
    x = 2,690.90

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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.