Home / 1,534.04-2,117.76-1,384.64

Finding the Fourth Proportional to 1,534.04, 2,117.76 and 1,384.64

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Solution

The fourth proportional to 1,534.04, 2,117.76 and 1,384.64 is: 1,911.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,534.04 : 2,117.76 = 1,384.64 : x
  2. Step 2: Convert to fraction form
    1,534.04/2,117.76 = 1,384.64/x
  3. Step 3: Cross multiply
    1,534.04x = 2,117.76 × 1,384.64
  4. Step 4: Simplify right side
    1,534.04x = 2,932,335.21
  5. Step 5: Solve for x
    x = 2,932,335.21/1,534.04
  6. Step 6: Final answer
    x = 1,911.51

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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.