Home / 2,314.40-3,466.20-1,439.60

Finding the Fourth Proportional to 2,314.40, 3,466.20 and 1,439.60

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Solution

The fourth proportional to 2,314.40, 3,466.20 and 1,439.60 is: 2,156.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,314.40 : 3,466.20 = 1,439.60 : x
  2. Step 2: Convert to fraction form
    2,314.40/3,466.20 = 1,439.60/x
  3. Step 3: Cross multiply
    2,314.40x = 3,466.20 × 1,439.60
  4. Step 4: Simplify right side
    2,314.40x = 4,989,941.52
  5. Step 5: Solve for x
    x = 4,989,941.52/2,314.40
  6. Step 6: Final answer
    x = 2,156.04

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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.