Home / 2,403.26-3,315.23-1,955.63

Finding the Fourth Proportional to 2,403.26, 3,315.23 and 1,955.63

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Solution

The fourth proportional to 2,403.26, 3,315.23 and 1,955.63 is: 2,697.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,403.26 : 3,315.23 = 1,955.63 : x
  2. Step 2: Convert to fraction form
    2,403.26/3,315.23 = 1,955.63/x
  3. Step 3: Cross multiply
    2,403.26x = 3,315.23 × 1,955.63
  4. Step 4: Simplify right side
    2,403.26x = 6,483,361.75
  5. Step 5: Solve for x
    x = 6,483,361.75/2,403.26
  6. Step 6: Final answer
    x = 2,697.74

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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.