Home / 2,317.68-3,477.12-1,019.40

Finding the Fourth Proportional to 2,317.68, 3,477.12 and 1,019.40

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Solution

The fourth proportional to 2,317.68, 3,477.12 and 1,019.40 is: 1,529.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,317.68 : 3,477.12 = 1,019.40 : x
  2. Step 2: Convert to fraction form
    2,317.68/3,477.12 = 1,019.40/x
  3. Step 3: Cross multiply
    2,317.68x = 3,477.12 × 1,019.40
  4. Step 4: Simplify right side
    2,317.68x = 3,544,576.13
  5. Step 5: Solve for x
    x = 3,544,576.13/2,317.68
  6. Step 6: Final answer
    x = 1,529.36

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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.