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Finding the Fourth Proportional to 1,536.04, 2,303.10 and 714.58

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Solution

The fourth proportional to 1,536.04, 2,303.10 and 714.58 is: 1,071.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,536.04 : 2,303.10 = 714.58 : x
  2. Step 2: Convert to fraction form
    1,536.04/2,303.10 = 714.58/x
  3. Step 3: Cross multiply
    1,536.04x = 2,303.10 × 714.58
  4. Step 4: Simplify right side
    1,536.04x = 1,645,749.20
  5. Step 5: Solve for x
    x = 1,645,749.20/1,536.04
  6. Step 6: Final answer
    x = 1,071.42

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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.