Home / 1,534.05-2,117.16-1,037.70

Finding the Fourth Proportional to 1,534.05, 2,117.16 and 1,037.70

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Solution

The fourth proportional to 1,534.05, 2,117.16 and 1,037.70 is: 1,432.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,534.05 : 2,117.16 = 1,037.70 : x
  2. Step 2: Convert to fraction form
    1,534.05/2,117.16 = 1,037.70/x
  3. Step 3: Cross multiply
    1,534.05x = 2,117.16 × 1,037.70
  4. Step 4: Simplify right side
    1,534.05x = 2,196,976.93
  5. Step 5: Solve for x
    x = 2,196,976.93/1,534.05
  6. Step 6: Final answer
    x = 1,432.14

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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.