Home / 3,438.12-5,157.54-1,130.04

Finding the Fourth Proportional to 3,438.12, 5,157.54 and 1,130.04

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Solution

The fourth proportional to 3,438.12, 5,157.54 and 1,130.04 is: 1,695.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,438.12 : 5,157.54 = 1,130.04 : x
  2. Step 2: Convert to fraction form
    3,438.12/5,157.54 = 1,130.04/x
  3. Step 3: Cross multiply
    3,438.12x = 5,157.54 × 1,130.04
  4. Step 4: Simplify right side
    3,438.12x = 5,828,226.50
  5. Step 5: Solve for x
    x = 5,828,226.50/3,438.12
  6. Step 6: Final answer
    x = 1,695.18

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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.