Home / 2,969.05-4,097.40-1,642.77

Finding the Fourth Proportional to 2,969.05, 4,097.40 and 1,642.77

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Solution

The fourth proportional to 2,969.05, 4,097.40 and 1,642.77 is: 2,267.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,969.05 : 4,097.40 = 1,642.77 : x
  2. Step 2: Convert to fraction form
    2,969.05/4,097.40 = 1,642.77/x
  3. Step 3: Cross multiply
    2,969.05x = 4,097.40 × 1,642.77
  4. Step 4: Simplify right side
    2,969.05x = 6,731,085.80
  5. Step 5: Solve for x
    x = 6,731,085.80/2,969.05
  6. Step 6: Final answer
    x = 2,267.08

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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.