Home / 2,298.16-3,170.94-1,303.20

Finding the Fourth Proportional to 2,298.16, 3,170.94 and 1,303.20

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Solution

The fourth proportional to 2,298.16, 3,170.94 and 1,303.20 is: 1,798.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,298.16 : 3,170.94 = 1,303.20 : x
  2. Step 2: Convert to fraction form
    2,298.16/3,170.94 = 1,303.20/x
  3. Step 3: Cross multiply
    2,298.16x = 3,170.94 × 1,303.20
  4. Step 4: Simplify right side
    2,298.16x = 4,132,369.01
  5. Step 5: Solve for x
    x = 4,132,369.01/2,298.16
  6. Step 6: Final answer
    x = 1,798.12

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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.