Home / 1,719.48-2,372.86-1,047.06

Finding the Fourth Proportional to 1,719.48, 2,372.86 and 1,047.06

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Solution

The fourth proportional to 1,719.48, 2,372.86 and 1,047.06 is: 1,444.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,719.48 : 2,372.86 = 1,047.06 : x
  2. Step 2: Convert to fraction form
    1,719.48/2,372.86 = 1,047.06/x
  3. Step 3: Cross multiply
    1,719.48x = 2,372.86 × 1,047.06
  4. Step 4: Simplify right side
    1,719.48x = 2,484,526.79
  5. Step 5: Solve for x
    x = 2,484,526.79/1,719.48
  6. Step 6: Final answer
    x = 1,444.93

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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.