Home / 1,254.86-1,733.46-1,070.36

Finding the Fourth Proportional to 1,254.86, 1,733.46 and 1,070.36

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Solution

The fourth proportional to 1,254.86, 1,733.46 and 1,070.36 is: 1,478.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,254.86 : 1,733.46 = 1,070.36 : x
  2. Step 2: Convert to fraction form
    1,254.86/1,733.46 = 1,070.36/x
  3. Step 3: Cross multiply
    1,254.86x = 1,733.46 × 1,070.36
  4. Step 4: Simplify right side
    1,254.86x = 1,855,426.25
  5. Step 5: Solve for x
    x = 1,855,426.25/1,254.86
  6. Step 6: Final answer
    x = 1,478.59

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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.