Home / 3,312.16-4,969.32-1,580.56

Finding the Fourth Proportional to 3,312.16, 4,969.32 and 1,580.56

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Solution

The fourth proportional to 3,312.16, 4,969.32 and 1,580.56 is: 2,371.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,312.16 : 4,969.32 = 1,580.56 : x
  2. Step 2: Convert to fraction form
    3,312.16/4,969.32 = 1,580.56/x
  3. Step 3: Cross multiply
    3,312.16x = 4,969.32 × 1,580.56
  4. Step 4: Simplify right side
    3,312.16x = 7,854,308.42
  5. Step 5: Solve for x
    x = 7,854,308.42/3,312.16
  6. Step 6: Final answer
    x = 2,371.36

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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.