Home / 3,512.16-4,846.08-2,115

Finding the Fourth Proportional to 3,512.16, 4,846.08 and 2,115

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Solution

The fourth proportional to 3,512.16, 4,846.08 and 2,115 is: 2,918.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,512.16 : 4,846.08 = 2,115 : x
  2. Step 2: Convert to fraction form
    3,512.16/4,846.08 = 2,115/x
  3. Step 3: Cross multiply
    3,512.16x = 4,846.08 × 2,115
  4. Step 4: Simplify right side
    3,512.16x = 10,249,459.20
  5. Step 5: Solve for x
    x = 10,249,459.20/3,512.16
  6. Step 6: Final answer
    x = 2,918.28

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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.