Home / 2,901.17-4,002.56-1,782.47

Finding the Fourth Proportional to 2,901.17, 4,002.56 and 1,782.47

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Solution

The fourth proportional to 2,901.17, 4,002.56 and 1,782.47 is: 2,459.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,901.17 : 4,002.56 = 1,782.47 : x
  2. Step 2: Convert to fraction form
    2,901.17/4,002.56 = 1,782.47/x
  3. Step 3: Cross multiply
    2,901.17x = 4,002.56 × 1,782.47
  4. Step 4: Simplify right side
    2,901.17x = 7,134,443.12
  5. Step 5: Solve for x
    x = 7,134,443.12/2,901.17
  6. Step 6: Final answer
    x = 2,459.16

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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.