Home / 3,587.64-5,384.71-1,509.18

Finding the Fourth Proportional to 3,587.64, 5,384.71 and 1,509.18

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Solution

The fourth proportional to 3,587.64, 5,384.71 and 1,509.18 is: 2,265.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,587.64 : 5,384.71 = 1,509.18 : x
  2. Step 2: Convert to fraction form
    3,587.64/5,384.71 = 1,509.18/x
  3. Step 3: Cross multiply
    3,587.64x = 5,384.71 × 1,509.18
  4. Step 4: Simplify right side
    3,587.64x = 8,126,496.64
  5. Step 5: Solve for x
    x = 8,126,496.64/3,587.64
  6. Step 6: Final answer
    x = 2,265.14

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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.