Home / 3,695.52-5,541.68-1,386.40

Finding the Fourth Proportional to 3,695.52, 5,541.68 and 1,386.40

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Solution

The fourth proportional to 3,695.52, 5,541.68 and 1,386.40 is: 2,079.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,695.52 : 5,541.68 = 1,386.40 : x
  2. Step 2: Convert to fraction form
    3,695.52/5,541.68 = 1,386.40/x
  3. Step 3: Cross multiply
    3,695.52x = 5,541.68 × 1,386.40
  4. Step 4: Simplify right side
    3,695.52x = 7,682,985.15
  5. Step 5: Solve for x
    x = 7,682,985.15/3,695.52
  6. Step 6: Final answer
    x = 2,079.00

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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.