Home / 3,316.90-4,577.40-1,824.90

Finding the Fourth Proportional to 3,316.90, 4,577.40 and 1,824.90

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Solution

The fourth proportional to 3,316.90, 4,577.40 and 1,824.90 is: 2,518.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,316.90 : 4,577.40 = 1,824.90 : x
  2. Step 2: Convert to fraction form
    3,316.90/4,577.40 = 1,824.90/x
  3. Step 3: Cross multiply
    3,316.90x = 4,577.40 × 1,824.90
  4. Step 4: Simplify right side
    3,316.90x = 8,353,297.26
  5. Step 5: Solve for x
    x = 8,353,297.26/3,316.90
  6. Step 6: Final answer
    x = 2,518.40

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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.