Home / 2,567.36-3,543.04-1,505.20

Finding the Fourth Proportional to 2,567.36, 3,543.04 and 1,505.20

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Solution

The fourth proportional to 2,567.36, 3,543.04 and 1,505.20 is: 2,077.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,567.36 : 3,543.04 = 1,505.20 : x
  2. Step 2: Convert to fraction form
    2,567.36/3,543.04 = 1,505.20/x
  3. Step 3: Cross multiply
    2,567.36x = 3,543.04 × 1,505.20
  4. Step 4: Simplify right side
    2,567.36x = 5,332,983.81
  5. Step 5: Solve for x
    x = 5,332,983.81/2,567.36
  6. Step 6: Final answer
    x = 2,077.22

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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.