Home / 2,012.63-2,776.48-1,423.49

Finding the Fourth Proportional to 2,012.63, 2,776.48 and 1,423.49

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Solution

The fourth proportional to 2,012.63, 2,776.48 and 1,423.49 is: 1,963.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,012.63 : 2,776.48 = 1,423.49 : x
  2. Step 2: Convert to fraction form
    2,012.63/2,776.48 = 1,423.49/x
  3. Step 3: Cross multiply
    2,012.63x = 2,776.48 × 1,423.49
  4. Step 4: Simplify right side
    2,012.63x = 3,952,274.07
  5. Step 5: Solve for x
    x = 3,952,274.07/2,012.63
  6. Step 6: Final answer
    x = 1,963.74

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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.