Home / 3,103.32-4,284.24-1,925.40

Finding the Fourth Proportional to 3,103.32, 4,284.24 and 1,925.40

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Solution

The fourth proportional to 3,103.32, 4,284.24 and 1,925.40 is: 2,658.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,103.32 : 4,284.24 = 1,925.40 : x
  2. Step 2: Convert to fraction form
    3,103.32/4,284.24 = 1,925.40/x
  3. Step 3: Cross multiply
    3,103.32x = 4,284.24 × 1,925.40
  4. Step 4: Simplify right side
    3,103.32x = 8,248,875.70
  5. Step 5: Solve for x
    x = 8,248,875.70/3,103.32
  6. Step 6: Final answer
    x = 2,658.08

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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.