Home / 1,869.48-2,577.42-1,344.60

Finding the Fourth Proportional to 1,869.48, 2,577.42 and 1,344.60

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Solution

The fourth proportional to 1,869.48, 2,577.42 and 1,344.60 is: 1,853.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,869.48 : 2,577.42 = 1,344.60 : x
  2. Step 2: Convert to fraction form
    1,869.48/2,577.42 = 1,344.60/x
  3. Step 3: Cross multiply
    1,869.48x = 2,577.42 × 1,344.60
  4. Step 4: Simplify right side
    1,869.48x = 3,465,598.93
  5. Step 5: Solve for x
    x = 3,465,598.93/1,869.48
  6. Step 6: Final answer
    x = 1,853.78

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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.