Home / 2,845.80-4,271.40-2,435.40

Finding the Fourth Proportional to 2,845.80, 4,271.40 and 2,435.40

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Solution

The fourth proportional to 2,845.80, 4,271.40 and 2,435.40 is: 3,655.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,845.80 : 4,271.40 = 2,435.40 : x
  2. Step 2: Convert to fraction form
    2,845.80/4,271.40 = 2,435.40/x
  3. Step 3: Cross multiply
    2,845.80x = 4,271.40 × 2,435.40
  4. Step 4: Simplify right side
    2,845.80x = 10,402,567.56
  5. Step 5: Solve for x
    x = 10,402,567.56/2,845.80
  6. Step 6: Final answer
    x = 3,655.41

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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.