Home / 3,220.47-4,827.60-2,051.91

Finding the Fourth Proportional to 3,220.47, 4,827.60 and 2,051.91

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Solution

The fourth proportional to 3,220.47, 4,827.60 and 2,051.91 is: 3,075.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,220.47 : 4,827.60 = 2,051.91 : x
  2. Step 2: Convert to fraction form
    3,220.47/4,827.60 = 2,051.91/x
  3. Step 3: Cross multiply
    3,220.47x = 4,827.60 × 2,051.91
  4. Step 4: Simplify right side
    3,220.47x = 9,905,800.72
  5. Step 5: Solve for x
    x = 9,905,800.72/3,220.47
  6. Step 6: Final answer
    x = 3,075.89

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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.