Home / 2,564.07-3,538.41-1,445.13

Finding the Fourth Proportional to 2,564.07, 3,538.41 and 1,445.13

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Solution

The fourth proportional to 2,564.07, 3,538.41 and 1,445.13 is: 1,994.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,564.07 : 3,538.41 = 1,445.13 : x
  2. Step 2: Convert to fraction form
    2,564.07/3,538.41 = 1,445.13/x
  3. Step 3: Cross multiply
    2,564.07x = 3,538.41 × 1,445.13
  4. Step 4: Simplify right side
    2,564.07x = 5,113,462.44
  5. Step 5: Solve for x
    x = 5,113,462.44/2,564.07
  6. Step 6: Final answer
    x = 1,994.28

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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.