Home / 3,438.16-5,159.70-1,490.92

Finding the Fourth Proportional to 3,438.16, 5,159.70 and 1,490.92

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Solution

The fourth proportional to 3,438.16, 5,159.70 and 1,490.92 is: 2,237.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,438.16 : 5,159.70 = 1,490.92 : x
  2. Step 2: Convert to fraction form
    3,438.16/5,159.70 = 1,490.92/x
  3. Step 3: Cross multiply
    3,438.16x = 5,159.70 × 1,490.92
  4. Step 4: Simplify right side
    3,438.16x = 7,692,699.92
  5. Step 5: Solve for x
    x = 7,692,699.92/3,438.16
  6. Step 6: Final answer
    x = 2,237.45

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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.