Home / 3,087.02-4,259.90-1,760.85

Finding the Fourth Proportional to 3,087.02, 4,259.90 and 1,760.85

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Solution

The fourth proportional to 3,087.02, 4,259.90 and 1,760.85 is: 2,429.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,087.02 : 4,259.90 = 1,760.85 : x
  2. Step 2: Convert to fraction form
    3,087.02/4,259.90 = 1,760.85/x
  3. Step 3: Cross multiply
    3,087.02x = 4,259.90 × 1,760.85
  4. Step 4: Simplify right side
    3,087.02x = 7,501,036.11
  5. Step 5: Solve for x
    x = 7,501,036.11/3,087.02
  6. Step 6: Final answer
    x = 2,429.87

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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.