Home / 3,655.54-5,038.23-2,911.96

Finding the Fourth Proportional to 3,655.54, 5,038.23 and 2,911.96

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Solution

The fourth proportional to 3,655.54, 5,038.23 and 2,911.96 is: 4,013.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,655.54 : 5,038.23 = 2,911.96 : x
  2. Step 2: Convert to fraction form
    3,655.54/5,038.23 = 2,911.96/x
  3. Step 3: Cross multiply
    3,655.54x = 5,038.23 × 2,911.96
  4. Step 4: Simplify right side
    3,655.54x = 14,671,124.23
  5. Step 5: Solve for x
    x = 14,671,124.23/3,655.54
  6. Step 6: Final answer
    x = 4,013.39

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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.