Home / 2,102.22-2,901.29-1,263.20

Finding the Fourth Proportional to 2,102.22, 2,901.29 and 1,263.20

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Solution

The fourth proportional to 2,102.22, 2,901.29 and 1,263.20 is: 1,743.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,102.22 : 2,901.29 = 1,263.20 : x
  2. Step 2: Convert to fraction form
    2,102.22/2,901.29 = 1,263.20/x
  3. Step 3: Cross multiply
    2,102.22x = 2,901.29 × 1,263.20
  4. Step 4: Simplify right side
    2,102.22x = 3,664,888.71
  5. Step 5: Solve for x
    x = 3,664,888.71/2,102.22
  6. Step 6: Final answer
    x = 1,743.34

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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.