Home / 1,501.55-2,261.09-1,114.28

Finding the Fourth Proportional to 1,501.55, 2,261.09 and 1,114.28

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Solution

The fourth proportional to 1,501.55, 2,261.09 and 1,114.28 is: 1,677.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,501.55 : 2,261.09 = 1,114.28 : x
  2. Step 2: Convert to fraction form
    1,501.55/2,261.09 = 1,114.28/x
  3. Step 3: Cross multiply
    1,501.55x = 2,261.09 × 1,114.28
  4. Step 4: Simplify right side
    1,501.55x = 2,519,470.49
  5. Step 5: Solve for x
    x = 2,519,470.49/1,501.55
  6. Step 6: Final answer
    x = 1,677.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.