Home / 1,623.50-2,240.49-924.86

Finding the Fourth Proportional to 1,623.50, 2,240.49 and 924.86

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Solution

The fourth proportional to 1,623.50, 2,240.49 and 924.86 is: 1,276.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,623.50 : 2,240.49 = 924.86 : x
  2. Step 2: Convert to fraction form
    1,623.50/2,240.49 = 924.86/x
  3. Step 3: Cross multiply
    1,623.50x = 2,240.49 × 924.86
  4. Step 4: Simplify right side
    1,623.50x = 2,072,139.58
  5. Step 5: Solve for x
    x = 2,072,139.58/1,623.50
  6. Step 6: Final answer
    x = 1,276.34

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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.