Home / 1,623.07-2,432.58-891.37

Finding the Fourth Proportional to 1,623.07, 2,432.58 and 891.37

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Solution

The fourth proportional to 1,623.07, 2,432.58 and 891.37 is: 1,335.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,623.07 : 2,432.58 = 891.37 : x
  2. Step 2: Convert to fraction form
    1,623.07/2,432.58 = 891.37/x
  3. Step 3: Cross multiply
    1,623.07x = 2,432.58 × 891.37
  4. Step 4: Simplify right side
    1,623.07x = 2,168,328.83
  5. Step 5: Solve for x
    x = 2,168,328.83/1,623.07
  6. Step 6: Final answer
    x = 1,335.94

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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.