Home / 2,152.48-2,970.44-1,313.08

Finding the Fourth Proportional to 2,152.48, 2,970.44 and 1,313.08

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Solution

The fourth proportional to 2,152.48, 2,970.44 and 1,313.08 is: 1,812.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,152.48 : 2,970.44 = 1,313.08 : x
  2. Step 2: Convert to fraction form
    2,152.48/2,970.44 = 1,313.08/x
  3. Step 3: Cross multiply
    2,152.48x = 2,970.44 × 1,313.08
  4. Step 4: Simplify right side
    2,152.48x = 3,900,425.36
  5. Step 5: Solve for x
    x = 3,900,425.36/2,152.48
  6. Step 6: Final answer
    x = 1,812.06

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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.