Home / 3,312.80-4,566.75-2,427.20

Finding the Fourth Proportional to 3,312.80, 4,566.75 and 2,427.20

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Solution

The fourth proportional to 3,312.80, 4,566.75 and 2,427.20 is: 3,345.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,312.80 : 4,566.75 = 2,427.20 : x
  2. Step 2: Convert to fraction form
    3,312.80/4,566.75 = 2,427.20/x
  3. Step 3: Cross multiply
    3,312.80x = 4,566.75 × 2,427.20
  4. Step 4: Simplify right side
    3,312.80x = 11,084,415.60
  5. Step 5: Solve for x
    x = 11,084,415.60/3,312.80
  6. Step 6: Final answer
    x = 3,345.94

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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.