Home / 2,490.98-3,435.60-1,933.16

Finding the Fourth Proportional to 2,490.98, 3,435.60 and 1,933.16

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Solution

The fourth proportional to 2,490.98, 3,435.60 and 1,933.16 is: 2,666.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,490.98 : 3,435.60 = 1,933.16 : x
  2. Step 2: Convert to fraction form
    2,490.98/3,435.60 = 1,933.16/x
  3. Step 3: Cross multiply
    2,490.98x = 3,435.60 × 1,933.16
  4. Step 4: Simplify right side
    2,490.98x = 6,641,564.50
  5. Step 5: Solve for x
    x = 6,641,564.50/2,490.98
  6. Step 6: Final answer
    x = 2,666.25

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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.