Home / 1,547.26-2,120.88-1,526.50

Finding the Fourth Proportional to 1,547.26, 2,120.88 and 1,526.50

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Solution

The fourth proportional to 1,547.26, 2,120.88 and 1,526.50 is: 2,092.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,547.26 : 2,120.88 = 1,526.50 : x
  2. Step 2: Convert to fraction form
    1,547.26/2,120.88 = 1,526.50/x
  3. Step 3: Cross multiply
    1,547.26x = 2,120.88 × 1,526.50
  4. Step 4: Simplify right side
    1,547.26x = 3,237,523.32
  5. Step 5: Solve for x
    x = 3,237,523.32/1,547.26
  6. Step 6: Final answer
    x = 2,092.42

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.