Home / 1,459.40-2,184.80-964.90

Finding the Fourth Proportional to 1,459.40, 2,184.80 and 964.90

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Solution

The fourth proportional to 1,459.40, 2,184.80 and 964.90 is: 1,444.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,459.40 : 2,184.80 = 964.90 : x
  2. Step 2: Convert to fraction form
    1,459.40/2,184.80 = 964.90/x
  3. Step 3: Cross multiply
    1,459.40x = 2,184.80 × 964.90
  4. Step 4: Simplify right side
    1,459.40x = 2,108,113.52
  5. Step 5: Solve for x
    x = 2,108,113.52/1,459.40
  6. Step 6: Final answer
    x = 1,444.51

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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.