Home / 1,604.68-2,214.28-975.36

Finding the Fourth Proportional to 1,604.68, 2,214.28 and 975.36

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Solution

The fourth proportional to 1,604.68, 2,214.28 and 975.36 is: 1,345.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,604.68 : 2,214.28 = 975.36 : x
  2. Step 2: Convert to fraction form
    1,604.68/2,214.28 = 975.36/x
  3. Step 3: Cross multiply
    1,604.68x = 2,214.28 × 975.36
  4. Step 4: Simplify right side
    1,604.68x = 2,159,720.14
  5. Step 5: Solve for x
    x = 2,159,720.14/1,604.68
  6. Step 6: Final answer
    x = 1,345.89

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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.