Home / 2,657.04-3,666.30-1,538.07

Finding the Fourth Proportional to 2,657.04, 3,666.30 and 1,538.07

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Solution

The fourth proportional to 2,657.04, 3,666.30 and 1,538.07 is: 2,122.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,657.04 : 3,666.30 = 1,538.07 : x
  2. Step 2: Convert to fraction form
    2,657.04/3,666.30 = 1,538.07/x
  3. Step 3: Cross multiply
    2,657.04x = 3,666.30 × 1,538.07
  4. Step 4: Simplify right side
    2,657.04x = 5,639,027.15
  5. Step 5: Solve for x
    x = 5,639,027.15/2,657.04
  6. Step 6: Final answer
    x = 2,122.30

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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.