Home / 1,623.05-2,430.68-927.62

Finding the Fourth Proportional to 1,623.05, 2,430.68 and 927.62

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Solution

The fourth proportional to 1,623.05, 2,430.68 and 927.62 is: 1,389.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,623.05 : 2,430.68 = 927.62 : x
  2. Step 2: Convert to fraction form
    1,623.05/2,430.68 = 927.62/x
  3. Step 3: Cross multiply
    1,623.05x = 2,430.68 × 927.62
  4. Step 4: Simplify right side
    1,623.05x = 2,254,730.59
  5. Step 5: Solve for x
    x = 2,254,730.59/1,623.05
  6. Step 6: Final answer
    x = 1,389.19

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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.