Home / 2,830.02-3,905.45-1,571.00

Finding the Fourth Proportional to 2,830.02, 3,905.45 and 1,571.00

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Solution

The fourth proportional to 2,830.02, 3,905.45 and 1,571.00 is: 2,167.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,830.02 : 3,905.45 = 1,571.00 : x
  2. Step 2: Convert to fraction form
    2,830.02/3,905.45 = 1,571.00/x
  3. Step 3: Cross multiply
    2,830.02x = 3,905.45 × 1,571.00
  4. Step 4: Simplify right side
    2,830.02x = 6,135,434.57
  5. Step 5: Solve for x
    x = 6,135,434.57/2,830.02
  6. Step 6: Final answer
    x = 2,167.98

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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.