Home / 2,617.38-3,612.33-1,569.51

Finding the Fourth Proportional to 2,617.38, 3,612.33 and 1,569.51

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Solution

The fourth proportional to 2,617.38, 3,612.33 and 1,569.51 is: 2,166.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,617.38 : 3,612.33 = 1,569.51 : x
  2. Step 2: Convert to fraction form
    2,617.38/3,612.33 = 1,569.51/x
  3. Step 3: Cross multiply
    2,617.38x = 3,612.33 × 1,569.51
  4. Step 4: Simplify right side
    2,617.38x = 5,669,588.06
  5. Step 5: Solve for x
    x = 5,669,588.06/2,617.38
  6. Step 6: Final answer
    x = 2,166.13

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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.