Home / 1,823.80-2,735.48-507.64

Finding the Fourth Proportional to 1,823.80, 2,735.48 and 507.64

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Solution

The fourth proportional to 1,823.80, 2,735.48 and 507.64 is: 761.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,823.80 : 2,735.48 = 507.64 : x
  2. Step 2: Convert to fraction form
    1,823.80/2,735.48 = 507.64/x
  3. Step 3: Cross multiply
    1,823.80x = 2,735.48 × 507.64
  4. Step 4: Simplify right side
    1,823.80x = 1,388,639.07
  5. Step 5: Solve for x
    x = 1,388,639.07/1,823.80
  6. Step 6: Final answer
    x = 761.40

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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.