Home / 1,712.24-2,569.57-1,547

Finding the Fourth Proportional to 1,712.24, 2,569.57 and 1,547

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Solution

The fourth proportional to 1,712.24, 2,569.57 and 1,547 is: 2,321.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,712.24 : 2,569.57 = 1,547 : x
  2. Step 2: Convert to fraction form
    1,712.24/2,569.57 = 1,547/x
  3. Step 3: Cross multiply
    1,712.24x = 2,569.57 × 1,547
  4. Step 4: Simplify right side
    1,712.24x = 3,975,124.79
  5. Step 5: Solve for x
    x = 3,975,124.79/1,712.24
  6. Step 6: Final answer
    x = 2,321.59

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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.