Home / 1,357.08-2,038.50-1,152.06

Finding the Fourth Proportional to 1,357.08, 2,038.50 and 1,152.06

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Solution

The fourth proportional to 1,357.08, 2,038.50 and 1,152.06 is: 1,730.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,357.08 : 2,038.50 = 1,152.06 : x
  2. Step 2: Convert to fraction form
    1,357.08/2,038.50 = 1,152.06/x
  3. Step 3: Cross multiply
    1,357.08x = 2,038.50 × 1,152.06
  4. Step 4: Simplify right side
    1,357.08x = 2,348,474.31
  5. Step 5: Solve for x
    x = 2,348,474.31/1,357.08
  6. Step 6: Final answer
    x = 1,730.53

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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.