Home / 2,319.90-3,202.14-1,435.38

Finding the Fourth Proportional to 2,319.90, 3,202.14 and 1,435.38

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Solution

The fourth proportional to 2,319.90, 3,202.14 and 1,435.38 is: 1,981.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,319.90 : 3,202.14 = 1,435.38 : x
  2. Step 2: Convert to fraction form
    2,319.90/3,202.14 = 1,435.38/x
  3. Step 3: Cross multiply
    2,319.90x = 3,202.14 × 1,435.38
  4. Step 4: Simplify right side
    2,319.90x = 4,596,287.71
  5. Step 5: Solve for x
    x = 4,596,287.71/2,319.90
  6. Step 6: Final answer
    x = 1,981.24

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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.