Home / 2,031.40-2,803.56-1,699.24

Finding the Fourth Proportional to 2,031.40, 2,803.56 and 1,699.24

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Solution

The fourth proportional to 2,031.40, 2,803.56 and 1,699.24 is: 2,345.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,031.40 : 2,803.56 = 1,699.24 : x
  2. Step 2: Convert to fraction form
    2,031.40/2,803.56 = 1,699.24/x
  3. Step 3: Cross multiply
    2,031.40x = 2,803.56 × 1,699.24
  4. Step 4: Simplify right side
    2,031.40x = 4,763,921.29
  5. Step 5: Solve for x
    x = 4,763,921.29/2,031.40
  6. Step 6: Final answer
    x = 2,345.14

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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.