Home / 1,925.12-2,885.52-830.08

Finding the Fourth Proportional to 1,925.12, 2,885.52 and 830.08

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Solution

The fourth proportional to 1,925.12, 2,885.52 and 830.08 is: 1,244.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,925.12 : 2,885.52 = 830.08 : x
  2. Step 2: Convert to fraction form
    1,925.12/2,885.52 = 830.08/x
  3. Step 3: Cross multiply
    1,925.12x = 2,885.52 × 830.08
  4. Step 4: Simplify right side
    1,925.12x = 2,395,212.44
  5. Step 5: Solve for x
    x = 2,395,212.44/1,925.12
  6. Step 6: Final answer
    x = 1,244.19

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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.