Home / 1,609.29-2,424.75-1,455.39

Finding the Fourth Proportional to 1,609.29, 2,424.75 and 1,455.39

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Solution

The fourth proportional to 1,609.29, 2,424.75 and 1,455.39 is: 2,192.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,609.29 : 2,424.75 = 1,455.39 : x
  2. Step 2: Convert to fraction form
    1,609.29/2,424.75 = 1,455.39/x
  3. Step 3: Cross multiply
    1,609.29x = 2,424.75 × 1,455.39
  4. Step 4: Simplify right side
    1,609.29x = 3,528,956.90
  5. Step 5: Solve for x
    x = 3,528,956.90/1,609.29
  6. Step 6: Final answer
    x = 2,192.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.