Home / 1,955.95-2,699.67-1,292.83

Finding the Fourth Proportional to 1,955.95, 2,699.67 and 1,292.83

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Solution

The fourth proportional to 1,955.95, 2,699.67 and 1,292.83 is: 1,784.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,955.95 : 2,699.67 = 1,292.83 : x
  2. Step 2: Convert to fraction form
    1,955.95/2,699.67 = 1,292.83/x
  3. Step 3: Cross multiply
    1,955.95x = 2,699.67 × 1,292.83
  4. Step 4: Simplify right side
    1,955.95x = 3,490,214.37
  5. Step 5: Solve for x
    x = 3,490,214.37/1,955.95
  6. Step 6: Final answer
    x = 1,784.41

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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.