Home / 3,555.71-5,331.27-1,477.15

Finding the Fourth Proportional to 3,555.71, 5,331.27 and 1,477.15

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Solution

The fourth proportional to 3,555.71, 5,331.27 and 1,477.15 is: 2,214.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,555.71 : 5,331.27 = 1,477.15 : x
  2. Step 2: Convert to fraction form
    3,555.71/5,331.27 = 1,477.15/x
  3. Step 3: Cross multiply
    3,555.71x = 5,331.27 × 1,477.15
  4. Step 4: Simplify right side
    3,555.71x = 7,875,077.69
  5. Step 5: Solve for x
    x = 7,875,077.69/3,555.71
  6. Step 6: Final answer
    x = 2,214.77

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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.