Home / 2,830.02-3,905.44-1,570.99

Finding the Fourth Proportional to 2,830.02, 3,905.44 and 1,570.99

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Solution

The fourth proportional to 2,830.02, 3,905.44 and 1,570.99 is: 2,167.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,830.02 : 3,905.44 = 1,570.99 : x
  2. Step 2: Convert to fraction form
    2,830.02/3,905.44 = 1,570.99/x
  3. Step 3: Cross multiply
    2,830.02x = 3,905.44 × 1,570.99
  4. Step 4: Simplify right side
    2,830.02x = 6,135,407.19
  5. Step 5: Solve for x
    x = 6,135,407.19/2,830.02
  6. Step 6: Final answer
    x = 2,167.97

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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.