Home / 1,615.08-2,423.93-835.30

Finding the Fourth Proportional to 1,615.08, 2,423.93 and 835.30

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Solution

The fourth proportional to 1,615.08, 2,423.93 and 835.30 is: 1,253.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,615.08 : 2,423.93 = 835.30 : x
  2. Step 2: Convert to fraction form
    1,615.08/2,423.93 = 835.30/x
  3. Step 3: Cross multiply
    1,615.08x = 2,423.93 × 835.30
  4. Step 4: Simplify right side
    1,615.08x = 2,024,710.43
  5. Step 5: Solve for x
    x = 2,024,710.43/1,615.08
  6. Step 6: Final answer
    x = 1,253.63

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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.