Home / 1,209.27-1,809.24-1,070.76

Finding the Fourth Proportional to 1,209.27, 1,809.24 and 1,070.76

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Solution

The fourth proportional to 1,209.27, 1,809.24 and 1,070.76 is: 1,602.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,209.27 : 1,809.24 = 1,070.76 : x
  2. Step 2: Convert to fraction form
    1,209.27/1,809.24 = 1,070.76/x
  3. Step 3: Cross multiply
    1,209.27x = 1,809.24 × 1,070.76
  4. Step 4: Simplify right side
    1,209.27x = 1,937,261.82
  5. Step 5: Solve for x
    x = 1,937,261.82/1,209.27
  6. Step 6: Final answer
    x = 1,602.01

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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.