Home / 2,645.22-3,650.79-1,526.34

Finding the Fourth Proportional to 2,645.22, 3,650.79 and 1,526.34

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Solution

The fourth proportional to 2,645.22, 3,650.79 and 1,526.34 is: 2,106.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,645.22 : 3,650.79 = 1,526.34 : x
  2. Step 2: Convert to fraction form
    2,645.22/3,650.79 = 1,526.34/x
  3. Step 3: Cross multiply
    2,645.22x = 3,650.79 × 1,526.34
  4. Step 4: Simplify right side
    2,645.22x = 5,572,346.81
  5. Step 5: Solve for x
    x = 5,572,346.81/2,645.22
  6. Step 6: Final answer
    x = 2,106.57

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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.