Home / 2,564.21-3,538.65-1,445.16

Finding the Fourth Proportional to 2,564.21, 3,538.65 and 1,445.16

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Solution

The fourth proportional to 2,564.21, 3,538.65 and 1,445.16 is: 1,994.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,564.21 : 3,538.65 = 1,445.16 : x
  2. Step 2: Convert to fraction form
    2,564.21/3,538.65 = 1,445.16/x
  3. Step 3: Cross multiply
    2,564.21x = 3,538.65 × 1,445.16
  4. Step 4: Simplify right side
    2,564.21x = 5,113,925.99
  5. Step 5: Solve for x
    x = 5,113,925.99/2,564.21
  6. Step 6: Final answer
    x = 1,994.35

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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.