Home / 1,897.02-2,846.81-664.44

Finding the Fourth Proportional to 1,897.02, 2,846.81 and 664.44

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Solution

The fourth proportional to 1,897.02, 2,846.81 and 664.44 is: 997.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,897.02 : 2,846.81 = 664.44 : x
  2. Step 2: Convert to fraction form
    1,897.02/2,846.81 = 664.44/x
  3. Step 3: Cross multiply
    1,897.02x = 2,846.81 × 664.44
  4. Step 4: Simplify right side
    1,897.02x = 1,891,534.44
  5. Step 5: Solve for x
    x = 1,891,534.44/1,897.02
  6. Step 6: Final answer
    x = 997.11

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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.