Home / 1,639.35-2,461.16-973.46

Finding the Fourth Proportional to 1,639.35, 2,461.16 and 973.46

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Solution

The fourth proportional to 1,639.35, 2,461.16 and 973.46 is: 1,461.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,639.35 : 2,461.16 = 973.46 : x
  2. Step 2: Convert to fraction form
    1,639.35/2,461.16 = 973.46/x
  3. Step 3: Cross multiply
    1,639.35x = 2,461.16 × 973.46
  4. Step 4: Simplify right side
    1,639.35x = 2,395,846.61
  5. Step 5: Solve for x
    x = 2,395,846.61/1,639.35
  6. Step 6: Final answer
    x = 1,461.46

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1.5x scale

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.