Home / 2,372.04-3,558.86-891.45

Finding the Fourth Proportional to 2,372.04, 3,558.86 and 891.45

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Solution

The fourth proportional to 2,372.04, 3,558.86 and 891.45 is: 1,337.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,372.04 : 3,558.86 = 891.45 : x
  2. Step 2: Convert to fraction form
    2,372.04/3,558.86 = 891.45/x
  3. Step 3: Cross multiply
    2,372.04x = 3,558.86 × 891.45
  4. Step 4: Simplify right side
    2,372.04x = 3,172,541.29
  5. Step 5: Solve for x
    x = 3,172,541.29/2,372.04
  6. Step 6: Final answer
    x = 1,337.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.