Home / 1,478.56-2,038.44-1,059.52

Finding the Fourth Proportional to 1,478.56, 2,038.44 and 1,059.52

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Solution

The fourth proportional to 1,478.56, 2,038.44 and 1,059.52 is: 1,460.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,478.56 : 2,038.44 = 1,059.52 : x
  2. Step 2: Convert to fraction form
    1,478.56/2,038.44 = 1,059.52/x
  3. Step 3: Cross multiply
    1,478.56x = 2,038.44 × 1,059.52
  4. Step 4: Simplify right side
    1,478.56x = 2,159,767.95
  5. Step 5: Solve for x
    x = 2,159,767.95/1,478.56
  6. Step 6: Final answer
    x = 1,460.72

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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.