Home / 1,265.13-1,883.52-1,259.04

Finding the Fourth Proportional to 1,265.13, 1,883.52 and 1,259.04

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Solution

The fourth proportional to 1,265.13, 1,883.52 and 1,259.04 is: 1,874.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,265.13 : 1,883.52 = 1,259.04 : x
  2. Step 2: Convert to fraction form
    1,265.13/1,883.52 = 1,259.04/x
  3. Step 3: Cross multiply
    1,265.13x = 1,883.52 × 1,259.04
  4. Step 4: Simplify right side
    1,265.13x = 2,371,427.02
  5. Step 5: Solve for x
    x = 2,371,427.02/1,265.13
  6. Step 6: Final answer
    x = 1,874.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.