Home / 3,497.20-4,826-1,925.20

Finding the Fourth Proportional to 3,497.20, 4,826 and 1,925.20

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Solution

The fourth proportional to 3,497.20, 4,826 and 1,925.20 is: 2,656.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,497.20 : 4,826 = 1,925.20 : x
  2. Step 2: Convert to fraction form
    3,497.20/4,826 = 1,925.20/x
  3. Step 3: Cross multiply
    3,497.20x = 4,826 × 1,925.20
  4. Step 4: Simplify right side
    3,497.20x = 9,291,015.20
  5. Step 5: Solve for x
    x = 9,291,015.20/3,497.20
  6. Step 6: Final answer
    x = 2,656.70

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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.