Home / 2,431.84-3,356.58-2,038.24

Finding the Fourth Proportional to 2,431.84, 3,356.58 and 2,038.24

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Solution

The fourth proportional to 2,431.84, 3,356.58 and 2,038.24 is: 2,813.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,431.84 : 3,356.58 = 2,038.24 : x
  2. Step 2: Convert to fraction form
    2,431.84/3,356.58 = 2,038.24/x
  3. Step 3: Cross multiply
    2,431.84x = 3,356.58 × 2,038.24
  4. Step 4: Simplify right side
    2,431.84x = 6,841,515.62
  5. Step 5: Solve for x
    x = 6,841,515.62/2,431.84
  6. Step 6: Final answer
    x = 2,813.31

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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.