Home / 1,971.04-2,956.48-1,103.52

Finding the Fourth Proportional to 1,971.04, 2,956.48 and 1,103.52

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Solution

The fourth proportional to 1,971.04, 2,956.48 and 1,103.52 is: 1,655.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,971.04 : 2,956.48 = 1,103.52 : x
  2. Step 2: Convert to fraction form
    1,971.04/2,956.48 = 1,103.52/x
  3. Step 3: Cross multiply
    1,971.04x = 2,956.48 × 1,103.52
  4. Step 4: Simplify right side
    1,971.04x = 3,262,534.81
  5. Step 5: Solve for x
    x = 3,262,534.81/1,971.04
  6. Step 6: Final answer
    x = 1,655.24

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.