Home / 2,284.60-3,420.18-2,129.08

Finding the Fourth Proportional to 2,284.60, 3,420.18 and 2,129.08

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Solution

The fourth proportional to 2,284.60, 3,420.18 and 2,129.08 is: 3,187.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,284.60 : 3,420.18 = 2,129.08 : x
  2. Step 2: Convert to fraction form
    2,284.60/3,420.18 = 2,129.08/x
  3. Step 3: Cross multiply
    2,284.60x = 3,420.18 × 2,129.08
  4. Step 4: Simplify right side
    2,284.60x = 7,281,836.83
  5. Step 5: Solve for x
    x = 7,281,836.83/2,284.60
  6. Step 6: Final answer
    x = 3,187.36

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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.