Home / 2,487.61-3,432.93-1,368.52

Finding the Fourth Proportional to 2,487.61, 3,432.93 and 1,368.52

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Solution

The fourth proportional to 2,487.61, 3,432.93 and 1,368.52 is: 1,888.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,487.61 : 3,432.93 = 1,368.52 : x
  2. Step 2: Convert to fraction form
    2,487.61/3,432.93 = 1,368.52/x
  3. Step 3: Cross multiply
    2,487.61x = 3,432.93 × 1,368.52
  4. Step 4: Simplify right side
    2,487.61x = 4,698,028.87
  5. Step 5: Solve for x
    x = 4,698,028.87/2,487.61
  6. Step 6: Final answer
    x = 1,888.57

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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.