Home / 3,036.02-4,192.45-1,918.94

Finding the Fourth Proportional to 3,036.02, 4,192.45 and 1,918.94

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Solution

The fourth proportional to 3,036.02, 4,192.45 and 1,918.94 is: 2,649.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,036.02 : 4,192.45 = 1,918.94 : x
  2. Step 2: Convert to fraction form
    3,036.02/4,192.45 = 1,918.94/x
  3. Step 3: Cross multiply
    3,036.02x = 4,192.45 × 1,918.94
  4. Step 4: Simplify right side
    3,036.02x = 8,045,060.00
  5. Step 5: Solve for x
    x = 8,045,060.00/3,036.02
  6. Step 6: Final answer
    x = 2,649.87

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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.