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Finding the Fourth Proportional to 2,362.19, 3,543.08 and 719.10

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Solution

The fourth proportional to 2,362.19, 3,543.08 and 719.10 is: 1,078.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,362.19 : 3,543.08 = 719.10 : x
  2. Step 2: Convert to fraction form
    2,362.19/3,543.08 = 719.10/x
  3. Step 3: Cross multiply
    2,362.19x = 3,543.08 × 719.10
  4. Step 4: Simplify right side
    2,362.19x = 2,547,825.23
  5. Step 5: Solve for x
    x = 2,547,825.23/2,362.19
  6. Step 6: Final answer
    x = 1,078.59

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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.