Home / 1,207.34-1,808.40-589.76

Finding the Fourth Proportional to 1,207.34, 1,808.40 and 589.76

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Solution

The fourth proportional to 1,207.34, 1,808.40 and 589.76 is: 883.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,207.34 : 1,808.40 = 589.76 : x
  2. Step 2: Convert to fraction form
    1,207.34/1,808.40 = 589.76/x
  3. Step 3: Cross multiply
    1,207.34x = 1,808.40 × 589.76
  4. Step 4: Simplify right side
    1,207.34x = 1,066,521.98
  5. Step 5: Solve for x
    x = 1,066,521.98/1,207.34
  6. Step 6: Final answer
    x = 883.37

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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.