Home / 1,547.64-2,121.12-1,526.04

Finding the Fourth Proportional to 1,547.64, 2,121.12 and 1,526.04

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Solution

The fourth proportional to 1,547.64, 2,121.12 and 1,526.04 is: 2,091.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,547.64 : 2,121.12 = 1,526.04 : x
  2. Step 2: Convert to fraction form
    1,547.64/2,121.12 = 1,526.04/x
  3. Step 3: Cross multiply
    1,547.64x = 2,121.12 × 1,526.04
  4. Step 4: Simplify right side
    1,547.64x = 3,236,913.96
  5. Step 5: Solve for x
    x = 3,236,913.96/1,547.64
  6. Step 6: Final answer
    x = 2,091.52

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.