Home / 1,848.40-2,549.28-1,324.72

Finding the Fourth Proportional to 1,848.40, 2,549.28 and 1,324.72

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Solution

The fourth proportional to 1,848.40, 2,549.28 and 1,324.72 is: 1,827.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,848.40 : 2,549.28 = 1,324.72 : x
  2. Step 2: Convert to fraction form
    1,848.40/2,549.28 = 1,324.72/x
  3. Step 3: Cross multiply
    1,848.40x = 2,549.28 × 1,324.72
  4. Step 4: Simplify right side
    1,848.40x = 3,377,082.20
  5. Step 5: Solve for x
    x = 3,377,082.20/1,848.40
  6. Step 6: Final answer
    x = 1,827.03

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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.