Home / 1,766.30-2,649.54-655.47

Finding the Fourth Proportional to 1,766.30, 2,649.54 and 655.47

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Solution

The fourth proportional to 1,766.30, 2,649.54 and 655.47 is: 983.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,766.30 : 2,649.54 = 655.47 : x
  2. Step 2: Convert to fraction form
    1,766.30/2,649.54 = 655.47/x
  3. Step 3: Cross multiply
    1,766.30x = 2,649.54 × 655.47
  4. Step 4: Simplify right side
    1,766.30x = 1,736,693.98
  5. Step 5: Solve for x
    x = 1,736,693.98/1,766.30
  6. Step 6: Final answer
    x = 983.24

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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.