Home / 2,569.30-3,547.16-1,686.65

Finding the Fourth Proportional to 2,569.30, 3,547.16 and 1,686.65

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Solution

The fourth proportional to 2,569.30, 3,547.16 and 1,686.65 is: 2,328.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,569.30 : 3,547.16 = 1,686.65 : x
  2. Step 2: Convert to fraction form
    2,569.30/3,547.16 = 1,686.65/x
  3. Step 3: Cross multiply
    2,569.30x = 3,547.16 × 1,686.65
  4. Step 4: Simplify right side
    2,569.30x = 5,982,791.24
  5. Step 5: Solve for x
    x = 5,982,791.24/2,569.30
  6. Step 6: Final answer
    x = 2,328.57

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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.