Home / 2,648.77-3,656.51-1,810.83

Finding the Fourth Proportional to 2,648.77, 3,656.51 and 1,810.83

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Solution

The fourth proportional to 2,648.77, 3,656.51 and 1,810.83 is: 2,499.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,648.77 : 3,656.51 = 1,810.83 : x
  2. Step 2: Convert to fraction form
    2,648.77/3,656.51 = 1,810.83/x
  3. Step 3: Cross multiply
    2,648.77x = 3,656.51 × 1,810.83
  4. Step 4: Simplify right side
    2,648.77x = 6,621,318.00
  5. Step 5: Solve for x
    x = 6,621,318.00/2,648.77
  6. Step 6: Final answer
    x = 2,499.77

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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.