Home / 1,337.90-2,007.75-607.55

Finding the Fourth Proportional to 1,337.90, 2,007.75 and 607.55

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Solution

The fourth proportional to 1,337.90, 2,007.75 and 607.55 is: 911.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,337.90 : 2,007.75 = 607.55 : x
  2. Step 2: Convert to fraction form
    1,337.90/2,007.75 = 607.55/x
  3. Step 3: Cross multiply
    1,337.90x = 2,007.75 × 607.55
  4. Step 4: Simplify right side
    1,337.90x = 1,219,808.51
  5. Step 5: Solve for x
    x = 1,219,808.51/1,337.90
  6. Step 6: Final answer
    x = 911.73

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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.