Home / 2,600.02-3,587.94-1,421.08

Finding the Fourth Proportional to 2,600.02, 3,587.94 and 1,421.08

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Solution

The fourth proportional to 2,600.02, 3,587.94 and 1,421.08 is: 1,961.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,600.02 : 3,587.94 = 1,421.08 : x
  2. Step 2: Convert to fraction form
    2,600.02/3,587.94 = 1,421.08/x
  3. Step 3: Cross multiply
    2,600.02x = 3,587.94 × 1,421.08
  4. Step 4: Simplify right side
    2,600.02x = 5,098,749.78
  5. Step 5: Solve for x
    x = 5,098,749.78/2,600.02
  6. Step 6: Final answer
    x = 1,961.04

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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.