Home / 2,557.20-3,528.97-1,562.26

Finding the Fourth Proportional to 2,557.20, 3,528.97 and 1,562.26

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Solution

The fourth proportional to 2,557.20, 3,528.97 and 1,562.26 is: 2,155.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,557.20 : 3,528.97 = 1,562.26 : x
  2. Step 2: Convert to fraction form
    2,557.20/3,528.97 = 1,562.26/x
  3. Step 3: Cross multiply
    2,557.20x = 3,528.97 × 1,562.26
  4. Step 4: Simplify right side
    2,557.20x = 5,513,172.49
  5. Step 5: Solve for x
    x = 5,513,172.49/2,557.20
  6. Step 6: Final answer
    x = 2,155.95

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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.