Home / 2,056.98-3,099.80-1,862.13

Finding the Fourth Proportional to 2,056.98, 3,099.80 and 1,862.13

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Solution

The fourth proportional to 2,056.98, 3,099.80 and 1,862.13 is: 2,806.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,056.98 : 3,099.80 = 1,862.13 : x
  2. Step 2: Convert to fraction form
    2,056.98/3,099.80 = 1,862.13/x
  3. Step 3: Cross multiply
    2,056.98x = 3,099.80 × 1,862.13
  4. Step 4: Simplify right side
    2,056.98x = 5,772,221.26
  5. Step 5: Solve for x
    x = 5,772,221.26/2,056.98
  6. Step 6: Final answer
    x = 2,806.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.