Home / 2,564.75-3,539.57-1,445.63

Finding the Fourth Proportional to 2,564.75, 3,539.57 and 1,445.63

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Solution

The fourth proportional to 2,564.75, 3,539.57 and 1,445.63 is: 1,995.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,564.75 : 3,539.57 = 1,445.63 : x
  2. Step 2: Convert to fraction form
    2,564.75/3,539.57 = 1,445.63/x
  3. Step 3: Cross multiply
    2,564.75x = 3,539.57 × 1,445.63
  4. Step 4: Simplify right side
    2,564.75x = 5,116,883.65
  5. Step 5: Solve for x
    x = 5,116,883.65/2,564.75
  6. Step 6: Final answer
    x = 1,995.08

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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.