Home / 2,312.04-3,191.10-1,472.58

Finding the Fourth Proportional to 2,312.04, 3,191.10 and 1,472.58

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Solution

The fourth proportional to 2,312.04, 3,191.10 and 1,472.58 is: 2,032.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,312.04 : 3,191.10 = 1,472.58 : x
  2. Step 2: Convert to fraction form
    2,312.04/3,191.10 = 1,472.58/x
  3. Step 3: Cross multiply
    2,312.04x = 3,191.10 × 1,472.58
  4. Step 4: Simplify right side
    2,312.04x = 4,699,150.04
  5. Step 5: Solve for x
    x = 4,699,150.04/2,312.04
  6. Step 6: Final answer
    x = 2,032.47

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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.