Home / 1,654.29-2,277.20-1,430.12

Finding the Fourth Proportional to 1,654.29, 2,277.20 and 1,430.12

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Solution

The fourth proportional to 1,654.29, 2,277.20 and 1,430.12 is: 1,968.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,654.29 : 2,277.20 = 1,430.12 : x
  2. Step 2: Convert to fraction form
    1,654.29/2,277.20 = 1,430.12/x
  3. Step 3: Cross multiply
    1,654.29x = 2,277.20 × 1,430.12
  4. Step 4: Simplify right side
    1,654.29x = 3,256,678.53
  5. Step 5: Solve for x
    x = 3,256,678.53/1,654.29
  6. Step 6: Final answer
    x = 1,968.63

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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.