Home / 3,487.36-4,813.16-2,090.40

Finding the Fourth Proportional to 3,487.36, 4,813.16 and 2,090.40

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Solution

The fourth proportional to 3,487.36, 4,813.16 and 2,090.40 is: 2,885.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,487.36 : 4,813.16 = 2,090.40 : x
  2. Step 2: Convert to fraction form
    3,487.36/4,813.16 = 2,090.40/x
  3. Step 3: Cross multiply
    3,487.36x = 4,813.16 × 2,090.40
  4. Step 4: Simplify right side
    3,487.36x = 10,061,429.66
  5. Step 5: Solve for x
    x = 10,061,429.66/3,487.36
  6. Step 6: Final answer
    x = 2,885.11

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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.