Home / 2,977.96-4,459.65-2,098.30

Finding the Fourth Proportional to 2,977.96, 4,459.65 and 2,098.30

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Solution

The fourth proportional to 2,977.96, 4,459.65 and 2,098.30 is: 3,142.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,977.96 : 4,459.65 = 2,098.30 : x
  2. Step 2: Convert to fraction form
    2,977.96/4,459.65 = 2,098.30/x
  3. Step 3: Cross multiply
    2,977.96x = 4,459.65 × 2,098.30
  4. Step 4: Simplify right side
    2,977.96x = 9,357,683.60
  5. Step 5: Solve for x
    x = 9,357,683.60/2,977.96
  6. Step 6: Final answer
    x = 3,142.31

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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.