Home / 3,915.74-5,875.50-1,724.19

Finding the Fourth Proportional to 3,915.74, 5,875.50 and 1,724.19

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Solution

The fourth proportional to 3,915.74, 5,875.50 and 1,724.19 is: 2,587.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,915.74 : 5,875.50 = 1,724.19 : x
  2. Step 2: Convert to fraction form
    3,915.74/5,875.50 = 1,724.19/x
  3. Step 3: Cross multiply
    3,915.74x = 5,875.50 × 1,724.19
  4. Step 4: Simplify right side
    3,915.74x = 10,130,478.35
  5. Step 5: Solve for x
    x = 10,130,478.35/3,915.74
  6. Step 6: Final answer
    x = 2,587.12

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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.