Home / 2,937.60-4,408.96-2,172.16

Finding the Fourth Proportional to 2,937.60, 4,408.96 and 2,172.16

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Solution

The fourth proportional to 2,937.60, 4,408.96 and 2,172.16 is: 3,260.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,937.60 : 4,408.96 = 2,172.16 : x
  2. Step 2: Convert to fraction form
    2,937.60/4,408.96 = 2,172.16/x
  3. Step 3: Cross multiply
    2,937.60x = 4,408.96 × 2,172.16
  4. Step 4: Simplify right side
    2,937.60x = 9,576,966.55
  5. Step 5: Solve for x
    x = 9,576,966.55/2,937.60
  6. Step 6: Final answer
    x = 3,260.13

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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.