Home / 1,850.40-2,553.53-1,011.08

Finding the Fourth Proportional to 1,850.40, 2,553.53 and 1,011.08

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Solution

The fourth proportional to 1,850.40, 2,553.53 and 1,011.08 is: 1,395.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,850.40 : 2,553.53 = 1,011.08 : x
  2. Step 2: Convert to fraction form
    1,850.40/2,553.53 = 1,011.08/x
  3. Step 3: Cross multiply
    1,850.40x = 2,553.53 × 1,011.08
  4. Step 4: Simplify right side
    1,850.40x = 2,581,824.44
  5. Step 5: Solve for x
    x = 2,581,824.44/1,850.40
  6. Step 6: Final answer
    x = 1,395.28

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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.