Home / 3,580.17-5,368.05-1,239.63

Finding the Fourth Proportional to 3,580.17, 5,368.05 and 1,239.63

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Solution

The fourth proportional to 3,580.17, 5,368.05 and 1,239.63 is: 1,858.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,580.17 : 5,368.05 = 1,239.63 : x
  2. Step 2: Convert to fraction form
    3,580.17/5,368.05 = 1,239.63/x
  3. Step 3: Cross multiply
    3,580.17x = 5,368.05 × 1,239.63
  4. Step 4: Simplify right side
    3,580.17x = 6,654,395.82
  5. Step 5: Solve for x
    x = 6,654,395.82/3,580.17
  6. Step 6: Final answer
    x = 1,858.68

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1.5x scale

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.