Home / 2,423.30-3,342.21-1,539.32

Finding the Fourth Proportional to 2,423.30, 3,342.21 and 1,539.32

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Solution

The fourth proportional to 2,423.30, 3,342.21 and 1,539.32 is: 2,123.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,423.30 : 3,342.21 = 1,539.32 : x
  2. Step 2: Convert to fraction form
    2,423.30/3,342.21 = 1,539.32/x
  3. Step 3: Cross multiply
    2,423.30x = 3,342.21 × 1,539.32
  4. Step 4: Simplify right side
    2,423.30x = 5,144,730.70
  5. Step 5: Solve for x
    x = 5,144,730.70/2,423.30
  6. Step 6: Final answer
    x = 2,123.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.