Home / 2,668.02-3,681.84-1,489.14

Finding the Fourth Proportional to 2,668.02, 3,681.84 and 1,489.14

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Solution

The fourth proportional to 2,668.02, 3,681.84 and 1,489.14 is: 2,055.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,668.02 : 3,681.84 = 1,489.14 : x
  2. Step 2: Convert to fraction form
    2,668.02/3,681.84 = 1,489.14/x
  3. Step 3: Cross multiply
    2,668.02x = 3,681.84 × 1,489.14
  4. Step 4: Simplify right side
    2,668.02x = 5,482,775.22
  5. Step 5: Solve for x
    x = 5,482,775.22/2,668.02
  6. Step 6: Final answer
    x = 2,055.00

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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.