Home / 3,570.90-4,927.38-1,999.00

Finding the Fourth Proportional to 3,570.90, 4,927.38 and 1,999.00

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Solution

The fourth proportional to 3,570.90, 4,927.38 and 1,999.00 is: 2,758.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,570.90 : 4,927.38 = 1,999.00 : x
  2. Step 2: Convert to fraction form
    3,570.90/4,927.38 = 1,999.00/x
  3. Step 3: Cross multiply
    3,570.90x = 4,927.38 × 1,999.00
  4. Step 4: Simplify right side
    3,570.90x = 9,849,825.30
  5. Step 5: Solve for x
    x = 9,849,825.30/3,570.90
  6. Step 6: Final answer
    x = 2,758.36

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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.