Home / 1,768.38-2,440.63-1,070.16

Finding the Fourth Proportional to 1,768.38, 2,440.63 and 1,070.16

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Solution

The fourth proportional to 1,768.38, 2,440.63 and 1,070.16 is: 1,476.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,768.38 : 2,440.63 = 1,070.16 : x
  2. Step 2: Convert to fraction form
    1,768.38/2,440.63 = 1,070.16/x
  3. Step 3: Cross multiply
    1,768.38x = 2,440.63 × 1,070.16
  4. Step 4: Simplify right side
    1,768.38x = 2,611,864.60
  5. Step 5: Solve for x
    x = 2,611,864.60/1,768.38
  6. Step 6: Final answer
    x = 1,476.98

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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.