Home / 3,557.10-5,328.71-2,166.98

Finding the Fourth Proportional to 3,557.10, 5,328.71 and 2,166.98

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Solution

The fourth proportional to 3,557.10, 5,328.71 and 2,166.98 is: 3,246.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,557.10 : 5,328.71 = 2,166.98 : x
  2. Step 2: Convert to fraction form
    3,557.10/5,328.71 = 2,166.98/x
  3. Step 3: Cross multiply
    3,557.10x = 5,328.71 × 2,166.98
  4. Step 4: Simplify right side
    3,557.10x = 11,547,170.52
  5. Step 5: Solve for x
    x = 11,547,170.52/3,557.10
  6. Step 6: Final answer
    x = 3,246.23

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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.