Home / 2,537.04-3,505.68-1,978.92

Finding the Fourth Proportional to 2,537.04, 3,505.68 and 1,978.92

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Solution

The fourth proportional to 2,537.04, 3,505.68 and 1,978.92 is: 2,734.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,537.04 : 3,505.68 = 1,978.92 : x
  2. Step 2: Convert to fraction form
    2,537.04/3,505.68 = 1,978.92/x
  3. Step 3: Cross multiply
    2,537.04x = 3,505.68 × 1,978.92
  4. Step 4: Simplify right side
    2,537.04x = 6,937,460.27
  5. Step 5: Solve for x
    x = 6,937,460.27/2,537.04
  6. Step 6: Final answer
    x = 2,734.47

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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.