Home / 2,415.34-3,614.10-1,491.40

Finding the Fourth Proportional to 2,415.34, 3,614.10 and 1,491.40

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Solution

The fourth proportional to 2,415.34, 3,614.10 and 1,491.40 is: 2,231.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,415.34 : 3,614.10 = 1,491.40 : x
  2. Step 2: Convert to fraction form
    2,415.34/3,614.10 = 1,491.40/x
  3. Step 3: Cross multiply
    2,415.34x = 3,614.10 × 1,491.40
  4. Step 4: Simplify right side
    2,415.34x = 5,390,068.74
  5. Step 5: Solve for x
    x = 5,390,068.74/2,415.34
  6. Step 6: Final answer
    x = 2,231.60

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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.