Home / 3,531.42-4,875.33-3,157.51

Finding the Fourth Proportional to 3,531.42, 4,875.33 and 3,157.51

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Solution

The fourth proportional to 3,531.42, 4,875.33 and 3,157.51 is: 4,359.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,531.42 : 4,875.33 = 3,157.51 : x
  2. Step 2: Convert to fraction form
    3,531.42/4,875.33 = 3,157.51/x
  3. Step 3: Cross multiply
    3,531.42x = 4,875.33 × 3,157.51
  4. Step 4: Simplify right side
    3,531.42x = 15,393,903.23
  5. Step 5: Solve for x
    x = 15,393,903.23/3,531.42
  6. Step 6: Final answer
    x = 4,359.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.