Home / 2,600.68-3,587.76-1,605.16

Finding the Fourth Proportional to 2,600.68, 3,587.76 and 1,605.16

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Solution

The fourth proportional to 2,600.68, 3,587.76 and 1,605.16 is: 2,214.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,600.68 : 3,587.76 = 1,605.16 : x
  2. Step 2: Convert to fraction form
    2,600.68/3,587.76 = 1,605.16/x
  3. Step 3: Cross multiply
    2,600.68x = 3,587.76 × 1,605.16
  4. Step 4: Simplify right side
    2,600.68x = 5,758,928.84
  5. Step 5: Solve for x
    x = 5,758,928.84/2,600.68
  6. Step 6: Final answer
    x = 2,214.39

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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.