Home / 2,040.15-2,815.47-1,155.93

Finding the Fourth Proportional to 2,040.15, 2,815.47 and 1,155.93

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Solution

The fourth proportional to 2,040.15, 2,815.47 and 1,155.93 is: 1,595.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,040.15 : 2,815.47 = 1,155.93 : x
  2. Step 2: Convert to fraction form
    2,040.15/2,815.47 = 1,155.93/x
  3. Step 3: Cross multiply
    2,040.15x = 2,815.47 × 1,155.93
  4. Step 4: Simplify right side
    2,040.15x = 3,254,486.24
  5. Step 5: Solve for x
    x = 3,254,486.24/2,040.15
  6. Step 6: Final answer
    x = 1,595.22

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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.