Home / 2,929.14-4,041.57-1,985.07

Finding the Fourth Proportional to 2,929.14, 4,041.57 and 1,985.07

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Solution

The fourth proportional to 2,929.14, 4,041.57 and 1,985.07 is: 2,738.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,929.14 : 4,041.57 = 1,985.07 : x
  2. Step 2: Convert to fraction form
    2,929.14/4,041.57 = 1,985.07/x
  3. Step 3: Cross multiply
    2,929.14x = 4,041.57 × 1,985.07
  4. Step 4: Simplify right side
    2,929.14x = 8,022,799.36
  5. Step 5: Solve for x
    x = 8,022,799.36/2,929.14
  6. Step 6: Final answer
    x = 2,738.96

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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.