Home / 1,607.16-2,218.40-943.99

Finding the Fourth Proportional to 1,607.16, 2,218.40 and 943.99

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Solution

The fourth proportional to 1,607.16, 2,218.40 and 943.99 is: 1,303.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,607.16 : 2,218.40 = 943.99 : x
  2. Step 2: Convert to fraction form
    1,607.16/2,218.40 = 943.99/x
  3. Step 3: Cross multiply
    1,607.16x = 2,218.40 × 943.99
  4. Step 4: Simplify right side
    1,607.16x = 2,094,147.42
  5. Step 5: Solve for x
    x = 2,094,147.42/1,607.16
  6. Step 6: Final answer
    x = 1,303.01

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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.