Home / 2,085.24-3,124.08-1,353

Finding the Fourth Proportional to 2,085.24, 3,124.08 and 1,353

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Solution

The fourth proportional to 2,085.24, 3,124.08 and 1,353 is: 2,027.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,085.24 : 3,124.08 = 1,353 : x
  2. Step 2: Convert to fraction form
    2,085.24/3,124.08 = 1,353/x
  3. Step 3: Cross multiply
    2,085.24x = 3,124.08 × 1,353
  4. Step 4: Simplify right side
    2,085.24x = 4,226,880.24
  5. Step 5: Solve for x
    x = 4,226,880.24/2,085.24
  6. Step 6: Final answer
    x = 2,027.05

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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.