Home / 1,537.52-2,119.38-1,410.40

Finding the Fourth Proportional to 1,537.52, 2,119.38 and 1,410.40

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Solution

The fourth proportional to 1,537.52, 2,119.38 and 1,410.40 is: 1,944.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,537.52 : 2,119.38 = 1,410.40 : x
  2. Step 2: Convert to fraction form
    1,537.52/2,119.38 = 1,410.40/x
  3. Step 3: Cross multiply
    1,537.52x = 2,119.38 × 1,410.40
  4. Step 4: Simplify right side
    1,537.52x = 2,989,173.55
  5. Step 5: Solve for x
    x = 2,989,173.55/1,537.52
  6. Step 6: Final answer
    x = 1,944.15

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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.