Home / 1,677.02-2,315.19-1,146.69

Finding the Fourth Proportional to 1,677.02, 2,315.19 and 1,146.69

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Solution

The fourth proportional to 1,677.02, 2,315.19 and 1,146.69 is: 1,583.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,677.02 : 2,315.19 = 1,146.69 : x
  2. Step 2: Convert to fraction form
    1,677.02/2,315.19 = 1,146.69/x
  3. Step 3: Cross multiply
    1,677.02x = 2,315.19 × 1,146.69
  4. Step 4: Simplify right side
    1,677.02x = 2,654,800.84
  5. Step 5: Solve for x
    x = 2,654,800.84/1,677.02
  6. Step 6: Final answer
    x = 1,583.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.