Home / 2,920.60-4,355.18-2,894.27

Finding the Fourth Proportional to 2,920.60, 4,355.18 and 2,894.27

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Solution

The fourth proportional to 2,920.60, 4,355.18 and 2,894.27 is: 4,315.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,920.60 : 4,355.18 = 2,894.27 : x
  2. Step 2: Convert to fraction form
    2,920.60/4,355.18 = 2,894.27/x
  3. Step 3: Cross multiply
    2,920.60x = 4,355.18 × 2,894.27
  4. Step 4: Simplify right side
    2,920.60x = 12,605,063.24
  5. Step 5: Solve for x
    x = 12,605,063.24/2,920.60
  6. Step 6: Final answer
    x = 4,315.92

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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.