Home / 2,013.24-2,776.87-1,945.51

Finding the Fourth Proportional to 2,013.24, 2,776.87 and 1,945.51

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Solution

The fourth proportional to 2,013.24, 2,776.87 and 1,945.51 is: 2,683.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,013.24 : 2,776.87 = 1,945.51 : x
  2. Step 2: Convert to fraction form
    2,013.24/2,776.87 = 1,945.51/x
  3. Step 3: Cross multiply
    2,013.24x = 2,776.87 × 1,945.51
  4. Step 4: Simplify right side
    2,013.24x = 5,402,421.41
  5. Step 5: Solve for x
    x = 5,402,421.41/2,013.24
  6. Step 6: Final answer
    x = 2,683.44

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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.