Home / 4,120.47-5,681.34-2,548.26

Finding the Fourth Proportional to 4,120.47, 5,681.34 and 2,548.26

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Solution

The fourth proportional to 4,120.47, 5,681.34 and 2,548.26 is: 3,513.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,120.47 : 5,681.34 = 2,548.26 : x
  2. Step 2: Convert to fraction form
    4,120.47/5,681.34 = 2,548.26/x
  3. Step 3: Cross multiply
    4,120.47x = 5,681.34 × 2,548.26
  4. Step 4: Simplify right side
    4,120.47x = 14,477,531.47
  5. Step 5: Solve for x
    x = 14,477,531.47/4,120.47
  6. Step 6: Final answer
    x = 3,513.56

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Double scale
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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.