Home / 1,394.01-2,079.68-1,354.32

Finding the Fourth Proportional to 1,394.01, 2,079.68 and 1,354.32

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Solution

The fourth proportional to 1,394.01, 2,079.68 and 1,354.32 is: 2,020.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,394.01 : 2,079.68 = 1,354.32 : x
  2. Step 2: Convert to fraction form
    1,394.01/2,079.68 = 1,354.32/x
  3. Step 3: Cross multiply
    1,394.01x = 2,079.68 × 1,354.32
  4. Step 4: Simplify right side
    1,394.01x = 2,816,545.45
  5. Step 5: Solve for x
    x = 2,816,545.45/1,394.01
  6. Step 6: Final answer
    x = 2,020.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.