Home / 2,795.08-3,857.04-1,553

Finding the Fourth Proportional to 2,795.08, 3,857.04 and 1,553

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Solution

The fourth proportional to 2,795.08, 3,857.04 and 1,553 is: 2,143.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,795.08 : 3,857.04 = 1,553 : x
  2. Step 2: Convert to fraction form
    2,795.08/3,857.04 = 1,553/x
  3. Step 3: Cross multiply
    2,795.08x = 3,857.04 × 1,553
  4. Step 4: Simplify right side
    2,795.08x = 5,989,983.12
  5. Step 5: Solve for x
    x = 5,989,983.12/2,795.08
  6. Step 6: Final answer
    x = 2,143.05

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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.