Home / 1,126.01-1,688.88-304.35

Finding the Fourth Proportional to 1,126.01, 1,688.88 and 304.35

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Solution

The fourth proportional to 1,126.01, 1,688.88 and 304.35 is: 456.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,126.01 : 1,688.88 = 304.35 : x
  2. Step 2: Convert to fraction form
    1,126.01/1,688.88 = 304.35/x
  3. Step 3: Cross multiply
    1,126.01x = 1,688.88 × 304.35
  4. Step 4: Simplify right side
    1,126.01x = 514,010.63
  5. Step 5: Solve for x
    x = 514,010.63/1,126.01
  6. Step 6: Final answer
    x = 456.49

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Double scale
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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.