Home / 2,138.13-2,951.37-1,476.63

Finding the Fourth Proportional to 2,138.13, 2,951.37 and 1,476.63

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Solution

The fourth proportional to 2,138.13, 2,951.37 and 1,476.63 is: 2,038.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,138.13 : 2,951.37 = 1,476.63 : x
  2. Step 2: Convert to fraction form
    2,138.13/2,951.37 = 1,476.63/x
  3. Step 3: Cross multiply
    2,138.13x = 2,951.37 × 1,476.63
  4. Step 4: Simplify right side
    2,138.13x = 4,358,081.48
  5. Step 5: Solve for x
    x = 4,358,081.48/2,138.13
  6. Step 6: Final answer
    x = 2,038.27

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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.