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Finding the Fourth Proportional to 2,293.60, 3,440.40 and 1,650.40

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Solution

The fourth proportional to 2,293.60, 3,440.40 and 1,650.40 is: 2,475.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,293.60 : 3,440.40 = 1,650.40 : x
  2. Step 2: Convert to fraction form
    2,293.60/3,440.40 = 1,650.40/x
  3. Step 3: Cross multiply
    2,293.60x = 3,440.40 × 1,650.40
  4. Step 4: Simplify right side
    2,293.60x = 5,678,036.16
  5. Step 5: Solve for x
    x = 5,678,036.16/2,293.60
  6. Step 6: Final answer
    x = 2,475.60

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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.