Home / 3,555.78-5,333.27-1,681.25

Finding the Fourth Proportional to 3,555.78, 5,333.27 and 1,681.25

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Solution

The fourth proportional to 3,555.78, 5,333.27 and 1,681.25 is: 2,521.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,555.78 : 5,333.27 = 1,681.25 : x
  2. Step 2: Convert to fraction form
    3,555.78/5,333.27 = 1,681.25/x
  3. Step 3: Cross multiply
    3,555.78x = 5,333.27 × 1,681.25
  4. Step 4: Simplify right side
    3,555.78x = 8,966,525.11
  5. Step 5: Solve for x
    x = 8,966,525.11/3,555.78
  6. Step 6: Final answer
    x = 2,521.68

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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.