Home / 2,608.96-3,600.36-1,430.04

Finding the Fourth Proportional to 2,608.96, 3,600.36 and 1,430.04

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Solution

The fourth proportional to 2,608.96, 3,600.36 and 1,430.04 is: 1,973.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,608.96 : 3,600.36 = 1,430.04 : x
  2. Step 2: Convert to fraction form
    2,608.96/3,600.36 = 1,430.04/x
  3. Step 3: Cross multiply
    2,608.96x = 3,600.36 × 1,430.04
  4. Step 4: Simplify right side
    2,608.96x = 5,148,658.81
  5. Step 5: Solve for x
    x = 5,148,658.81/2,608.96
  6. Step 6: Final answer
    x = 1,973.45

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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.