Home / 2,045.81-2,823.26-1,114.31

Finding the Fourth Proportional to 2,045.81, 2,823.26 and 1,114.31

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Solution

The fourth proportional to 2,045.81, 2,823.26 and 1,114.31 is: 1,537.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,045.81 : 2,823.26 = 1,114.31 : x
  2. Step 2: Convert to fraction form
    2,045.81/2,823.26 = 1,114.31/x
  3. Step 3: Cross multiply
    2,045.81x = 2,823.26 × 1,114.31
  4. Step 4: Simplify right side
    2,045.81x = 3,145,988.34
  5. Step 5: Solve for x
    x = 3,145,988.34/2,045.81
  6. Step 6: Final answer
    x = 1,537.77

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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.