Home / 1,569.06-2,166.12-1,009.86

Finding the Fourth Proportional to 1,569.06, 2,166.12 and 1,009.86

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Solution

The fourth proportional to 1,569.06, 2,166.12 and 1,009.86 is: 1,394.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,569.06 : 2,166.12 = 1,009.86 : x
  2. Step 2: Convert to fraction form
    1,569.06/2,166.12 = 1,009.86/x
  3. Step 3: Cross multiply
    1,569.06x = 2,166.12 × 1,009.86
  4. Step 4: Simplify right side
    1,569.06x = 2,187,477.94
  5. Step 5: Solve for x
    x = 2,187,477.94/1,569.06
  6. Step 6: Final answer
    x = 1,394.13

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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.