Home / 1,856.15-2,561.53-1,016.89

Finding the Fourth Proportional to 1,856.15, 2,561.53 and 1,016.89

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Solution

The fourth proportional to 1,856.15, 2,561.53 and 1,016.89 is: 1,403.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,856.15 : 2,561.53 = 1,016.89 : x
  2. Step 2: Convert to fraction form
    1,856.15/2,561.53 = 1,016.89/x
  3. Step 3: Cross multiply
    1,856.15x = 2,561.53 × 1,016.89
  4. Step 4: Simplify right side
    1,856.15x = 2,604,794.24
  5. Step 5: Solve for x
    x = 2,604,794.24/1,856.15
  6. Step 6: Final answer
    x = 1,403.33

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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.