Home / 1,683.55-2,527.76-1,357.93

Finding the Fourth Proportional to 1,683.55, 2,527.76 and 1,357.93

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Solution

The fourth proportional to 1,683.55, 2,527.76 and 1,357.93 is: 2,038.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,683.55 : 2,527.76 = 1,357.93 : x
  2. Step 2: Convert to fraction form
    1,683.55/2,527.76 = 1,357.93/x
  3. Step 3: Cross multiply
    1,683.55x = 2,527.76 × 1,357.93
  4. Step 4: Simplify right side
    1,683.55x = 3,432,521.14
  5. Step 5: Solve for x
    x = 3,432,521.14/1,683.55
  6. Step 6: Final answer
    x = 2,038.86

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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.