Home / 2,931.40-4,036.26-2,433.40

Finding the Fourth Proportional to 2,931.40, 4,036.26 and 2,433.40

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Solution

The fourth proportional to 2,931.40, 4,036.26 and 2,433.40 is: 3,350.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,931.40 : 4,036.26 = 2,433.40 : x
  2. Step 2: Convert to fraction form
    2,931.40/4,036.26 = 2,433.40/x
  3. Step 3: Cross multiply
    2,931.40x = 4,036.26 × 2,433.40
  4. Step 4: Simplify right side
    2,931.40x = 9,821,835.08
  5. Step 5: Solve for x
    x = 9,821,835.08/2,931.40
  6. Step 6: Final answer
    x = 3,350.56

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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.