Home / 2,148.34-2,963.62-1,340.14

Finding the Fourth Proportional to 2,148.34, 2,963.62 and 1,340.14

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Solution

The fourth proportional to 2,148.34, 2,963.62 and 1,340.14 is: 1,848.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,148.34 : 2,963.62 = 1,340.14 : x
  2. Step 2: Convert to fraction form
    2,148.34/2,963.62 = 1,340.14/x
  3. Step 3: Cross multiply
    2,148.34x = 2,963.62 × 1,340.14
  4. Step 4: Simplify right side
    2,148.34x = 3,971,665.71
  5. Step 5: Solve for x
    x = 3,971,665.71/2,148.34
  6. Step 6: Final answer
    x = 1,848.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.