Home / 2,875.23-4,308.95-1,313.30

Finding the Fourth Proportional to 2,875.23, 4,308.95 and 1,313.30

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Solution

The fourth proportional to 2,875.23, 4,308.95 and 1,313.30 is: 1,968.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,875.23 : 4,308.95 = 1,313.30 : x
  2. Step 2: Convert to fraction form
    2,875.23/4,308.95 = 1,313.30/x
  3. Step 3: Cross multiply
    2,875.23x = 4,308.95 × 1,313.30
  4. Step 4: Simplify right side
    2,875.23x = 5,658,944.04
  5. Step 5: Solve for x
    x = 5,658,944.04/2,875.23
  6. Step 6: Final answer
    x = 1,968.17

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.