Home / 1,748.18-2,412.30-962.18

Finding the Fourth Proportional to 1,748.18, 2,412.30 and 962.18

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Solution

The fourth proportional to 1,748.18, 2,412.30 and 962.18 is: 1,327.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,748.18 : 2,412.30 = 962.18 : x
  2. Step 2: Convert to fraction form
    1,748.18/2,412.30 = 962.18/x
  3. Step 3: Cross multiply
    1,748.18x = 2,412.30 × 962.18
  4. Step 4: Simplify right side
    1,748.18x = 2,321,066.81
  5. Step 5: Solve for x
    x = 2,321,066.81/1,748.18
  6. Step 6: Final answer
    x = 1,327.70

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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.