Home / 3,709.15-5,118.65-2,030.58

Finding the Fourth Proportional to 3,709.15, 5,118.65 and 2,030.58

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Solution

The fourth proportional to 3,709.15, 5,118.65 and 2,030.58 is: 2,802.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,709.15 : 5,118.65 = 2,030.58 : x
  2. Step 2: Convert to fraction form
    3,709.15/5,118.65 = 2,030.58/x
  3. Step 3: Cross multiply
    3,709.15x = 5,118.65 × 2,030.58
  4. Step 4: Simplify right side
    3,709.15x = 10,393,828.32
  5. Step 5: Solve for x
    x = 10,393,828.32/3,709.15
  6. Step 6: Final answer
    x = 2,802.21

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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.