Home / 2,439.31-3,658.95-795.85

Finding the Fourth Proportional to 2,439.31, 3,658.95 and 795.85

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Solution

The fourth proportional to 2,439.31, 3,658.95 and 795.85 is: 1,193.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,439.31 : 3,658.95 = 795.85 : x
  2. Step 2: Convert to fraction form
    2,439.31/3,658.95 = 795.85/x
  3. Step 3: Cross multiply
    2,439.31x = 3,658.95 × 795.85
  4. Step 4: Simplify right side
    2,439.31x = 2,911,966.21
  5. Step 5: Solve for x
    x = 2,911,966.21/2,439.31
  6. Step 6: Final answer
    x = 1,193.77

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1.5x scale

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.