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Finding the Fourth Proportional to 2,293.40, 3,440.10 and 2,077.40

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Solution

The fourth proportional to 2,293.40, 3,440.10 and 2,077.40 is: 3,116.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,293.40 : 3,440.10 = 2,077.40 : x
  2. Step 2: Convert to fraction form
    2,293.40/3,440.10 = 2,077.40/x
  3. Step 3: Cross multiply
    2,293.40x = 3,440.10 × 2,077.40
  4. Step 4: Simplify right side
    2,293.40x = 7,146,463.74
  5. Step 5: Solve for x
    x = 7,146,463.74/2,293.40
  6. Step 6: Final answer
    x = 3,116.10

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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.