Home / 2,973.28-4,103.58-1,854.40

Finding the Fourth Proportional to 2,973.28, 4,103.58 and 1,854.40

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Solution

The fourth proportional to 2,973.28, 4,103.58 and 1,854.40 is: 2,559.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,973.28 : 4,103.58 = 1,854.40 : x
  2. Step 2: Convert to fraction form
    2,973.28/4,103.58 = 1,854.40/x
  3. Step 3: Cross multiply
    2,973.28x = 4,103.58 × 1,854.40
  4. Step 4: Simplify right side
    2,973.28x = 7,609,678.75
  5. Step 5: Solve for x
    x = 7,609,678.75/2,973.28
  6. Step 6: Final answer
    x = 2,559.35

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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.