Home / 2,537.70-3,503.76-1,643.60

Finding the Fourth Proportional to 2,537.70, 3,503.76 and 1,643.60

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Solution

The fourth proportional to 2,537.70, 3,503.76 and 1,643.60 is: 2,269.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,537.70 : 3,503.76 = 1,643.60 : x
  2. Step 2: Convert to fraction form
    2,537.70/3,503.76 = 1,643.60/x
  3. Step 3: Cross multiply
    2,537.70x = 3,503.76 × 1,643.60
  4. Step 4: Simplify right side
    2,537.70x = 5,758,779.94
  5. Step 5: Solve for x
    x = 5,758,779.94/2,537.70
  6. Step 6: Final answer
    x = 2,269.29

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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.