Home / 1,862.22-2,569.74-1,022.76

Finding the Fourth Proportional to 1,862.22, 2,569.74 and 1,022.76

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Solution

The fourth proportional to 1,862.22, 2,569.74 and 1,022.76 is: 1,411.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,862.22 : 2,569.74 = 1,022.76 : x
  2. Step 2: Convert to fraction form
    1,862.22/2,569.74 = 1,022.76/x
  3. Step 3: Cross multiply
    1,862.22x = 2,569.74 × 1,022.76
  4. Step 4: Simplify right side
    1,862.22x = 2,628,227.28
  5. Step 5: Solve for x
    x = 2,628,227.28/1,862.22
  6. Step 6: Final answer
    x = 1,411.34

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1.5x scale

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.