Home / 1,037.47-1,431.23-617.59

Finding the Fourth Proportional to 1,037.47, 1,431.23 and 617.59

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Solution

The fourth proportional to 1,037.47, 1,431.23 and 617.59 is: 851.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,037.47 : 1,431.23 = 617.59 : x
  2. Step 2: Convert to fraction form
    1,037.47/1,431.23 = 617.59/x
  3. Step 3: Cross multiply
    1,037.47x = 1,431.23 × 617.59
  4. Step 4: Simplify right side
    1,037.47x = 883,903.99
  5. Step 5: Solve for x
    x = 883,903.99/1,037.47
  6. Step 6: Final answer
    x = 851.98

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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.