Home / 3,586.79-5,381.05-1,246.45

Finding the Fourth Proportional to 3,586.79, 5,381.05 and 1,246.45

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Solution

The fourth proportional to 3,586.79, 5,381.05 and 1,246.45 is: 1,869.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,586.79 : 5,381.05 = 1,246.45 : x
  2. Step 2: Convert to fraction form
    3,586.79/5,381.05 = 1,246.45/x
  3. Step 3: Cross multiply
    3,586.79x = 5,381.05 × 1,246.45
  4. Step 4: Simplify right side
    3,586.79x = 6,707,225.81
  5. Step 5: Solve for x
    x = 6,707,225.81/3,586.79
  6. Step 6: Final answer
    x = 1,869.98

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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.