Home / 2,526.56-3,486-1,478.48

Finding the Fourth Proportional to 2,526.56, 3,486 and 1,478.48

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Solution

The fourth proportional to 2,526.56, 3,486 and 1,478.48 is: 2,039.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,526.56 : 3,486 = 1,478.48 : x
  2. Step 2: Convert to fraction form
    2,526.56/3,486 = 1,478.48/x
  3. Step 3: Cross multiply
    2,526.56x = 3,486 × 1,478.48
  4. Step 4: Simplify right side
    2,526.56x = 5,153,981.28
  5. Step 5: Solve for x
    x = 5,153,981.28/2,526.56
  6. Step 6: Final answer
    x = 2,039.92

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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.