Home / 1,815.40-2,723.10-582.94

Finding the Fourth Proportional to 1,815.40, 2,723.10 and 582.94

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Solution

The fourth proportional to 1,815.40, 2,723.10 and 582.94 is: 874.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,815.40 : 2,723.10 = 582.94 : x
  2. Step 2: Convert to fraction form
    1,815.40/2,723.10 = 582.94/x
  3. Step 3: Cross multiply
    1,815.40x = 2,723.10 × 582.94
  4. Step 4: Simplify right side
    1,815.40x = 1,587,403.91
  5. Step 5: Solve for x
    x = 1,587,403.91/1,815.40
  6. Step 6: Final answer
    x = 874.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.