Home / 1,370.34-2,045.89-1,241.20

Finding the Fourth Proportional to 1,370.34, 2,045.89 and 1,241.20

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Solution

The fourth proportional to 1,370.34, 2,045.89 and 1,241.20 is: 1,853.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,370.34 : 2,045.89 = 1,241.20 : x
  2. Step 2: Convert to fraction form
    1,370.34/2,045.89 = 1,241.20/x
  3. Step 3: Cross multiply
    1,370.34x = 2,045.89 × 1,241.20
  4. Step 4: Simplify right side
    1,370.34x = 2,539,358.67
  5. Step 5: Solve for x
    x = 2,539,358.67/1,370.34
  6. Step 6: Final answer
    x = 1,853.09

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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.