Home / 1,711.80-2,566.35-942.30

Finding the Fourth Proportional to 1,711.80, 2,566.35 and 942.30

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Solution

The fourth proportional to 1,711.80, 2,566.35 and 942.30 is: 1,412.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,711.80 : 2,566.35 = 942.30 : x
  2. Step 2: Convert to fraction form
    1,711.80/2,566.35 = 942.30/x
  3. Step 3: Cross multiply
    1,711.80x = 2,566.35 × 942.30
  4. Step 4: Simplify right side
    1,711.80x = 2,418,271.61
  5. Step 5: Solve for x
    x = 2,418,271.61/1,711.80
  6. Step 6: Final answer
    x = 1,412.71

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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.