Home / 2,016.60-3,024.90-977.40

Finding the Fourth Proportional to 2,016.60, 3,024.90 and 977.40

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Solution

The fourth proportional to 2,016.60, 3,024.90 and 977.40 is: 1,466.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,016.60 : 3,024.90 = 977.40 : x
  2. Step 2: Convert to fraction form
    2,016.60/3,024.90 = 977.40/x
  3. Step 3: Cross multiply
    2,016.60x = 3,024.90 × 977.40
  4. Step 4: Simplify right side
    2,016.60x = 2,956,537.26
  5. Step 5: Solve for x
    x = 2,956,537.26/2,016.60
  6. Step 6: Final answer
    x = 1,466.10

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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.