Home / 2,031.36-2,803.68-1,332.32

Finding the Fourth Proportional to 2,031.36, 2,803.68 and 1,332.32

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Solution

The fourth proportional to 2,031.36, 2,803.68 and 1,332.32 is: 1,838.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,031.36 : 2,803.68 = 1,332.32 : x
  2. Step 2: Convert to fraction form
    2,031.36/2,803.68 = 1,332.32/x
  3. Step 3: Cross multiply
    2,031.36x = 2,803.68 × 1,332.32
  4. Step 4: Simplify right side
    2,031.36x = 3,735,398.94
  5. Step 5: Solve for x
    x = 3,735,398.94/2,031.36
  6. Step 6: Final answer
    x = 1,838.87

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1.5x scale

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.