Home / 2,579.45-3,559.95-1,531.51

Finding the Fourth Proportional to 2,579.45, 3,559.95 and 1,531.51

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Solution

The fourth proportional to 2,579.45, 3,559.95 and 1,531.51 is: 2,113.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,579.45 : 3,559.95 = 1,531.51 : x
  2. Step 2: Convert to fraction form
    2,579.45/3,559.95 = 1,531.51/x
  3. Step 3: Cross multiply
    2,579.45x = 3,559.95 × 1,531.51
  4. Step 4: Simplify right side
    2,579.45x = 5,452,090.12
  5. Step 5: Solve for x
    x = 5,452,090.12/2,579.45
  6. Step 6: Final answer
    x = 2,113.67

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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.