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Finding the Fourth Proportional to 1,798.76, 2,698.20 and 566.16

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Solution

The fourth proportional to 1,798.76, 2,698.20 and 566.16 is: 849.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,798.76 : 2,698.20 = 566.16 : x
  2. Step 2: Convert to fraction form
    1,798.76/2,698.20 = 566.16/x
  3. Step 3: Cross multiply
    1,798.76x = 2,698.20 × 566.16
  4. Step 4: Simplify right side
    1,798.76x = 1,527,612.91
  5. Step 5: Solve for x
    x = 1,527,612.91/1,798.76
  6. Step 6: Final answer
    x = 849.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.