Home / 2,910.83-4,368.02-1,155.51

Finding the Fourth Proportional to 2,910.83, 4,368.02 and 1,155.51

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Solution

The fourth proportional to 2,910.83, 4,368.02 and 1,155.51 is: 1,733.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,910.83 : 4,368.02 = 1,155.51 : x
  2. Step 2: Convert to fraction form
    2,910.83/4,368.02 = 1,155.51/x
  3. Step 3: Cross multiply
    2,910.83x = 4,368.02 × 1,155.51
  4. Step 4: Simplify right side
    2,910.83x = 5,047,285.01
  5. Step 5: Solve for x
    x = 5,047,285.01/2,910.83
  6. Step 6: Final answer
    x = 1,733.97

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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.