Home / 2,859.61-4,291.06-1,543.36

Finding the Fourth Proportional to 2,859.61, 4,291.06 and 1,543.36

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Solution

The fourth proportional to 2,859.61, 4,291.06 and 1,543.36 is: 2,315.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,859.61 : 4,291.06 = 1,543.36 : x
  2. Step 2: Convert to fraction form
    2,859.61/4,291.06 = 1,543.36/x
  3. Step 3: Cross multiply
    2,859.61x = 4,291.06 × 1,543.36
  4. Step 4: Simplify right side
    2,859.61x = 6,622,621.19
  5. Step 5: Solve for x
    x = 6,622,621.19/2,859.61
  6. Step 6: Final answer
    x = 2,315.92

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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.