Home / 2,210.02-3,315.67-1,283.87

Finding the Fourth Proportional to 2,210.02, 3,315.67 and 1,283.87

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Solution

The fourth proportional to 2,210.02, 3,315.67 and 1,283.87 is: 1,926.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,210.02 : 3,315.67 = 1,283.87 : x
  2. Step 2: Convert to fraction form
    2,210.02/3,315.67 = 1,283.87/x
  3. Step 3: Cross multiply
    2,210.02x = 3,315.67 × 1,283.87
  4. Step 4: Simplify right side
    2,210.02x = 4,256,894.32
  5. Step 5: Solve for x
    x = 4,256,894.32/2,210.02
  6. Step 6: Final answer
    x = 1,926.18

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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.