Home / 1,971.64-2,955.18-1,536.06

Finding the Fourth Proportional to 1,971.64, 2,955.18 and 1,536.06

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Solution

The fourth proportional to 1,971.64, 2,955.18 and 1,536.06 is: 2,302.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,971.64 : 2,955.18 = 1,536.06 : x
  2. Step 2: Convert to fraction form
    1,971.64/2,955.18 = 1,536.06/x
  3. Step 3: Cross multiply
    1,971.64x = 2,955.18 × 1,536.06
  4. Step 4: Simplify right side
    1,971.64x = 4,539,350.63
  5. Step 5: Solve for x
    x = 4,539,350.63/1,971.64
  6. Step 6: Final answer
    x = 2,302.32

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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.