Home / 2,423.58-3,345.30-1,376.34

Finding the Fourth Proportional to 2,423.58, 3,345.30 and 1,376.34

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Solution

The fourth proportional to 2,423.58, 3,345.30 and 1,376.34 is: 1,899.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,423.58 : 3,345.30 = 1,376.34 : x
  2. Step 2: Convert to fraction form
    2,423.58/3,345.30 = 1,376.34/x
  3. Step 3: Cross multiply
    2,423.58x = 3,345.30 × 1,376.34
  4. Step 4: Simplify right side
    2,423.58x = 4,604,270.20
  5. Step 5: Solve for x
    x = 4,604,270.20/2,423.58
  6. Step 6: Final answer
    x = 1,899.78

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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.