Home / 1,719.41-2,372.75-973.34

Finding the Fourth Proportional to 1,719.41, 2,372.75 and 973.34

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Solution

The fourth proportional to 1,719.41, 2,372.75 and 973.34 is: 1,343.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,719.41 : 2,372.75 = 973.34 : x
  2. Step 2: Convert to fraction form
    1,719.41/2,372.75 = 973.34/x
  3. Step 3: Cross multiply
    1,719.41x = 2,372.75 × 973.34
  4. Step 4: Simplify right side
    1,719.41x = 2,309,492.49
  5. Step 5: Solve for x
    x = 2,309,492.49/1,719.41
  6. Step 6: Final answer
    x = 1,343.19

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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.