Home / 2,487.36-3,432.57-1,368.27

Finding the Fourth Proportional to 2,487.36, 3,432.57 and 1,368.27

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Solution

The fourth proportional to 2,487.36, 3,432.57 and 1,368.27 is: 1,888.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,487.36 : 3,432.57 = 1,368.27 : x
  2. Step 2: Convert to fraction form
    2,487.36/3,432.57 = 1,368.27/x
  3. Step 3: Cross multiply
    2,487.36x = 3,432.57 × 1,368.27
  4. Step 4: Simplify right side
    2,487.36x = 4,696,682.55
  5. Step 5: Solve for x
    x = 4,696,682.55/2,487.36
  6. Step 6: Final answer
    x = 1,888.22

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1.5x scale

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.