Home / 2,030.11-2,801.63-1,145.92

Finding the Fourth Proportional to 2,030.11, 2,801.63 and 1,145.92

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Solution

The fourth proportional to 2,030.11, 2,801.63 and 1,145.92 is: 1,581.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,030.11 : 2,801.63 = 1,145.92 : x
  2. Step 2: Convert to fraction form
    2,030.11/2,801.63 = 1,145.92/x
  3. Step 3: Cross multiply
    2,030.11x = 2,801.63 × 1,145.92
  4. Step 4: Simplify right side
    2,030.11x = 3,210,432.71
  5. Step 5: Solve for x
    x = 3,210,432.71/2,030.11
  6. Step 6: Final answer
    x = 1,581.41

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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.