Home / 1,795.28-2,477.76-1,009.60

Finding the Fourth Proportional to 1,795.28, 2,477.76 and 1,009.60

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Solution

The fourth proportional to 1,795.28, 2,477.76 and 1,009.60 is: 1,393.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,795.28 : 2,477.76 = 1,009.60 : x
  2. Step 2: Convert to fraction form
    1,795.28/2,477.76 = 1,009.60/x
  3. Step 3: Cross multiply
    1,795.28x = 2,477.76 × 1,009.60
  4. Step 4: Simplify right side
    1,795.28x = 2,501,546.50
  5. Step 5: Solve for x
    x = 2,501,546.50/1,795.28
  6. Step 6: Final answer
    x = 1,393.40

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1.5x scale

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.