Home / 1,285.86-1,927.63-463.94

Finding the Fourth Proportional to 1,285.86, 1,927.63 and 463.94

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Solution

The fourth proportional to 1,285.86, 1,927.63 and 463.94 is: 695.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,285.86 : 1,927.63 = 463.94 : x
  2. Step 2: Convert to fraction form
    1,285.86/1,927.63 = 463.94/x
  3. Step 3: Cross multiply
    1,285.86x = 1,927.63 × 463.94
  4. Step 4: Simplify right side
    1,285.86x = 894,301.96
  5. Step 5: Solve for x
    x = 894,301.96/1,285.86
  6. Step 6: Final answer
    x = 695.49

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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.