Home / 2,681.49-4,021.57-1,036.98

Finding the Fourth Proportional to 2,681.49, 4,021.57 and 1,036.98

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Solution

The fourth proportional to 2,681.49, 4,021.57 and 1,036.98 is: 1,555.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,681.49 : 4,021.57 = 1,036.98 : x
  2. Step 2: Convert to fraction form
    2,681.49/4,021.57 = 1,036.98/x
  3. Step 3: Cross multiply
    2,681.49x = 4,021.57 × 1,036.98
  4. Step 4: Simplify right side
    2,681.49x = 4,170,287.66
  5. Step 5: Solve for x
    x = 4,170,287.66/2,681.49
  6. Step 6: Final answer
    x = 1,555.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.