Home / 1,706.40-2,561.31-1,013.76

Finding the Fourth Proportional to 1,706.40, 2,561.31 and 1,013.76

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Solution

The fourth proportional to 1,706.40, 2,561.31 and 1,013.76 is: 1,521.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,706.40 : 2,561.31 = 1,013.76 : x
  2. Step 2: Convert to fraction form
    1,706.40/2,561.31 = 1,013.76/x
  3. Step 3: Cross multiply
    1,706.40x = 2,561.31 × 1,013.76
  4. Step 4: Simplify right side
    1,706.40x = 2,596,553.63
  5. Step 5: Solve for x
    x = 2,596,553.63/1,706.40
  6. Step 6: Final answer
    x = 1,521.66

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1.5x scale

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.