Home / 3,345.16-5,012.88-1,876.83

Finding the Fourth Proportional to 3,345.16, 5,012.88 and 1,876.83

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Solution

The fourth proportional to 3,345.16, 5,012.88 and 1,876.83 is: 2,812.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,345.16 : 5,012.88 = 1,876.83 : x
  2. Step 2: Convert to fraction form
    3,345.16/5,012.88 = 1,876.83/x
  3. Step 3: Cross multiply
    3,345.16x = 5,012.88 × 1,876.83
  4. Step 4: Simplify right side
    3,345.16x = 9,408,323.57
  5. Step 5: Solve for x
    x = 9,408,323.57/3,345.16
  6. Step 6: Final answer
    x = 2,812.52

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1.5x scale

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.