Home / 2,054.85-2,835.03-1,215.63

Finding the Fourth Proportional to 2,054.85, 2,835.03 and 1,215.63

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Solution

The fourth proportional to 2,054.85, 2,835.03 and 1,215.63 is: 1,677.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,054.85 : 2,835.03 = 1,215.63 : x
  2. Step 2: Convert to fraction form
    2,054.85/2,835.03 = 1,215.63/x
  3. Step 3: Cross multiply
    2,054.85x = 2,835.03 × 1,215.63
  4. Step 4: Simplify right side
    2,054.85x = 3,446,347.52
  5. Step 5: Solve for x
    x = 3,446,347.52/2,054.85
  6. Step 6: Final answer
    x = 1,677.18

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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.