Home / 1,560.04-2,153.13-930.61

Finding the Fourth Proportional to 1,560.04, 2,153.13 and 930.61

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Solution

The fourth proportional to 1,560.04, 2,153.13 and 930.61 is: 1,284.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,560.04 : 2,153.13 = 930.61 : x
  2. Step 2: Convert to fraction form
    1,560.04/2,153.13 = 930.61/x
  3. Step 3: Cross multiply
    1,560.04x = 2,153.13 × 930.61
  4. Step 4: Simplify right side
    1,560.04x = 2,003,728.75
  5. Step 5: Solve for x
    x = 2,003,728.75/1,560.04
  6. Step 6: Final answer
    x = 1,284.41

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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.