Home / 3,315.40-4,572.57-2,055.58

Finding the Fourth Proportional to 3,315.40, 4,572.57 and 2,055.58

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Solution

The fourth proportional to 3,315.40, 4,572.57 and 2,055.58 is: 2,835.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,315.40 : 4,572.57 = 2,055.58 : x
  2. Step 2: Convert to fraction form
    3,315.40/4,572.57 = 2,055.58/x
  3. Step 3: Cross multiply
    3,315.40x = 4,572.57 × 2,055.58
  4. Step 4: Simplify right side
    3,315.40x = 9,399,283.44
  5. Step 5: Solve for x
    x = 9,399,283.44/3,315.40
  6. Step 6: Final answer
    x = 2,835.04

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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.