Home / 2,570.79-3,862.37-1,648.16

Finding the Fourth Proportional to 2,570.79, 3,862.37 and 1,648.16

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Solution

The fourth proportional to 2,570.79, 3,862.37 and 1,648.16 is: 2,476.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,570.79 : 3,862.37 = 1,648.16 : x
  2. Step 2: Convert to fraction form
    2,570.79/3,862.37 = 1,648.16/x
  3. Step 3: Cross multiply
    2,570.79x = 3,862.37 × 1,648.16
  4. Step 4: Simplify right side
    2,570.79x = 6,365,776.19
  5. Step 5: Solve for x
    x = 6,365,776.19/2,570.79
  6. Step 6: Final answer
    x = 2,476.19

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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.