Home / 2,184.90-3,015.02-1,345.65

Finding the Fourth Proportional to 2,184.90, 3,015.02 and 1,345.65

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Solution

The fourth proportional to 2,184.90, 3,015.02 and 1,345.65 is: 1,856.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,184.90 : 3,015.02 = 1,345.65 : x
  2. Step 2: Convert to fraction form
    2,184.90/3,015.02 = 1,345.65/x
  3. Step 3: Cross multiply
    2,184.90x = 3,015.02 × 1,345.65
  4. Step 4: Simplify right side
    2,184.90x = 4,057,154.93
  5. Step 5: Solve for x
    x = 4,057,154.93/2,184.90
  6. Step 6: Final answer
    x = 1,856.91

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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.