Home / 1,705.17-2,353.19-1,042.32

Finding the Fourth Proportional to 1,705.17, 2,353.19 and 1,042.32

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Solution

The fourth proportional to 1,705.17, 2,353.19 and 1,042.32 is: 1,438.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,705.17 : 2,353.19 = 1,042.32 : x
  2. Step 2: Convert to fraction form
    1,705.17/2,353.19 = 1,042.32/x
  3. Step 3: Cross multiply
    1,705.17x = 2,353.19 × 1,042.32
  4. Step 4: Simplify right side
    1,705.17x = 2,452,777.00
  5. Step 5: Solve for x
    x = 2,452,777.00/1,705.17
  6. Step 6: Final answer
    x = 1,438.44

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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.