Home / 2,013.24-2,779.02-1,393.08

Finding the Fourth Proportional to 2,013.24, 2,779.02 and 1,393.08

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Solution

The fourth proportional to 2,013.24, 2,779.02 and 1,393.08 is: 1,922.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,013.24 : 2,779.02 = 1,393.08 : x
  2. Step 2: Convert to fraction form
    2,013.24/2,779.02 = 1,393.08/x
  3. Step 3: Cross multiply
    2,013.24x = 2,779.02 × 1,393.08
  4. Step 4: Simplify right side
    2,013.24x = 3,871,397.18
  5. Step 5: Solve for x
    x = 3,871,397.18/2,013.24
  6. Step 6: Final answer
    x = 1,922.97

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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.