Home / 2,210.93-3,312.05-1,284.55

Finding the Fourth Proportional to 2,210.93, 3,312.05 and 1,284.55

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Solution

The fourth proportional to 2,210.93, 3,312.05 and 1,284.55 is: 1,924.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,210.93 : 3,312.05 = 1,284.55 : x
  2. Step 2: Convert to fraction form
    2,210.93/3,312.05 = 1,284.55/x
  3. Step 3: Cross multiply
    2,210.93x = 3,312.05 × 1,284.55
  4. Step 4: Simplify right side
    2,210.93x = 4,254,474.06
  5. Step 5: Solve for x
    x = 4,254,474.06/2,210.93
  6. Step 6: Final answer
    x = 1,924.30

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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.