Home / 2,885.59-4,329.41-1,425.77

Finding the Fourth Proportional to 2,885.59, 4,329.41 and 1,425.77

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Solution

The fourth proportional to 2,885.59, 4,329.41 and 1,425.77 is: 2,139.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,885.59 : 4,329.41 = 1,425.77 : x
  2. Step 2: Convert to fraction form
    2,885.59/4,329.41 = 1,425.77/x
  3. Step 3: Cross multiply
    2,885.59x = 4,329.41 × 1,425.77
  4. Step 4: Simplify right side
    2,885.59x = 6,172,742.90
  5. Step 5: Solve for x
    x = 6,172,742.90/2,885.59
  6. Step 6: Final answer
    x = 2,139.16

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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.