Home / 2,455.76-3,681.54-1,068.03

Finding the Fourth Proportional to 2,455.76, 3,681.54 and 1,068.03

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Solution

The fourth proportional to 2,455.76, 3,681.54 and 1,068.03 is: 1,601.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,455.76 : 3,681.54 = 1,068.03 : x
  2. Step 2: Convert to fraction form
    2,455.76/3,681.54 = 1,068.03/x
  3. Step 3: Cross multiply
    2,455.76x = 3,681.54 × 1,068.03
  4. Step 4: Simplify right side
    2,455.76x = 3,931,995.17
  5. Step 5: Solve for x
    x = 3,931,995.17/2,455.76
  6. Step 6: Final answer
    x = 1,601.13

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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.