Home / 1,527.56-2,108.63-1,505.08

Finding the Fourth Proportional to 1,527.56, 2,108.63 and 1,505.08

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Solution

The fourth proportional to 1,527.56, 2,108.63 and 1,505.08 is: 2,077.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,527.56 : 2,108.63 = 1,505.08 : x
  2. Step 2: Convert to fraction form
    1,527.56/2,108.63 = 1,505.08/x
  3. Step 3: Cross multiply
    1,527.56x = 2,108.63 × 1,505.08
  4. Step 4: Simplify right side
    1,527.56x = 3,173,663.24
  5. Step 5: Solve for x
    x = 3,173,663.24/1,527.56
  6. Step 6: Final answer
    x = 2,077.60

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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.