Home / 1,748.28-2,412.12-1,085.16

Finding the Fourth Proportional to 1,748.28, 2,412.12 and 1,085.16

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Solution

The fourth proportional to 1,748.28, 2,412.12 and 1,085.16 is: 1,497.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,748.28 : 2,412.12 = 1,085.16 : x
  2. Step 2: Convert to fraction form
    1,748.28/2,412.12 = 1,085.16/x
  3. Step 3: Cross multiply
    1,748.28x = 2,412.12 × 1,085.16
  4. Step 4: Simplify right side
    1,748.28x = 2,617,536.14
  5. Step 5: Solve for x
    x = 2,617,536.14/1,748.28
  6. Step 6: Final answer
    x = 1,497.21

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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.