Home / 1,798.30-2,475.60-1,548.16

Finding the Fourth Proportional to 1,798.30, 2,475.60 and 1,548.16

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Solution

The fourth proportional to 1,798.30, 2,475.60 and 1,548.16 is: 2,131.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,798.30 : 2,475.60 = 1,548.16 : x
  2. Step 2: Convert to fraction form
    1,798.30/2,475.60 = 1,548.16/x
  3. Step 3: Cross multiply
    1,798.30x = 2,475.60 × 1,548.16
  4. Step 4: Simplify right side
    1,798.30x = 3,832,624.90
  5. Step 5: Solve for x
    x = 3,832,624.90/1,798.30
  6. Step 6: Final answer
    x = 2,131.25

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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.