Home / 2,653.09-3,662.58-1,658.92

Finding the Fourth Proportional to 2,653.09, 3,662.58 and 1,658.92

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Solution

The fourth proportional to 2,653.09, 3,662.58 and 1,658.92 is: 2,290.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,653.09 : 3,662.58 = 1,658.92 : x
  2. Step 2: Convert to fraction form
    2,653.09/3,662.58 = 1,658.92/x
  3. Step 3: Cross multiply
    2,653.09x = 3,662.58 × 1,658.92
  4. Step 4: Simplify right side
    2,653.09x = 6,075,927.21
  5. Step 5: Solve for x
    x = 6,075,927.21/2,653.09
  6. Step 6: Final answer
    x = 2,290.13

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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.