Home / 1,528.09-2,118.40-1,444.93

Finding the Fourth Proportional to 1,528.09, 2,118.40 and 1,444.93

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Solution

The fourth proportional to 1,528.09, 2,118.40 and 1,444.93 is: 2,003.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,528.09 : 2,118.40 = 1,444.93 : x
  2. Step 2: Convert to fraction form
    1,528.09/2,118.40 = 1,444.93/x
  3. Step 3: Cross multiply
    1,528.09x = 2,118.40 × 1,444.93
  4. Step 4: Simplify right side
    1,528.09x = 3,060,939.71
  5. Step 5: Solve for x
    x = 3,060,939.71/1,528.09
  6. Step 6: Final answer
    x = 2,003.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.