Home / 2,598.36-3,902.94-2,130.72

Finding the Fourth Proportional to 2,598.36, 3,902.94 and 2,130.72

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Solution

The fourth proportional to 2,598.36, 3,902.94 and 2,130.72 is: 3,200.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,598.36 : 3,902.94 = 2,130.72 : x
  2. Step 2: Convert to fraction form
    2,598.36/3,902.94 = 2,130.72/x
  3. Step 3: Cross multiply
    2,598.36x = 3,902.94 × 2,130.72
  4. Step 4: Simplify right side
    2,598.36x = 8,316,072.32
  5. Step 5: Solve for x
    x = 8,316,072.32/2,598.36
  6. Step 6: Final answer
    x = 3,200.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.