Home / 2,977.60-4,465.26-1,416.40

Finding the Fourth Proportional to 2,977.60, 4,465.26 and 1,416.40

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Solution

The fourth proportional to 2,977.60, 4,465.26 and 1,416.40 is: 2,124.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,977.60 : 4,465.26 = 1,416.40 : x
  2. Step 2: Convert to fraction form
    2,977.60/4,465.26 = 1,416.40/x
  3. Step 3: Cross multiply
    2,977.60x = 4,465.26 × 1,416.40
  4. Step 4: Simplify right side
    2,977.60x = 6,324,594.26
  5. Step 5: Solve for x
    x = 6,324,594.26/2,977.60
  6. Step 6: Final answer
    x = 2,124.06

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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.