Home / 3,316.75-4,577.37-1,900.87

Finding the Fourth Proportional to 3,316.75, 4,577.37 and 1,900.87

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Solution

The fourth proportional to 3,316.75, 4,577.37 and 1,900.87 is: 2,623.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,316.75 : 4,577.37 = 1,900.87 : x
  2. Step 2: Convert to fraction form
    3,316.75/4,577.37 = 1,900.87/x
  3. Step 3: Cross multiply
    3,316.75x = 4,577.37 × 1,900.87
  4. Step 4: Simplify right side
    3,316.75x = 8,700,985.31
  5. Step 5: Solve for x
    x = 8,700,985.31/3,316.75
  6. Step 6: Final answer
    x = 2,623.35

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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.