Home / 2,423.40-3,345.89-1,862.85

Finding the Fourth Proportional to 2,423.40, 3,345.89 and 1,862.85

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Solution

The fourth proportional to 2,423.40, 3,345.89 and 1,862.85 is: 2,571.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,423.40 : 3,345.89 = 1,862.85 : x
  2. Step 2: Convert to fraction form
    2,423.40/3,345.89 = 1,862.85/x
  3. Step 3: Cross multiply
    2,423.40x = 3,345.89 × 1,862.85
  4. Step 4: Simplify right side
    2,423.40x = 6,232,891.19
  5. Step 5: Solve for x
    x = 6,232,891.19/2,423.40
  6. Step 6: Final answer
    x = 2,571.96

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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.