Home / 3,543.24-5,314.20-1,077.40

Finding the Fourth Proportional to 3,543.24, 5,314.20 and 1,077.40

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Solution

The fourth proportional to 3,543.24, 5,314.20 and 1,077.40 is: 1,615.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,543.24 : 5,314.20 = 1,077.40 : x
  2. Step 2: Convert to fraction form
    3,543.24/5,314.20 = 1,077.40/x
  3. Step 3: Cross multiply
    3,543.24x = 5,314.20 × 1,077.40
  4. Step 4: Simplify right side
    3,543.24x = 5,725,492.51
  5. Step 5: Solve for x
    x = 5,725,492.51/3,543.24
  6. Step 6: Final answer
    x = 1,615.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.