Home / 1,547.02-2,134.38-926.02

Finding the Fourth Proportional to 1,547.02, 2,134.38 and 926.02

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Solution

The fourth proportional to 1,547.02, 2,134.38 and 926.02 is: 1,277.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,547.02 : 2,134.38 = 926.02 : x
  2. Step 2: Convert to fraction form
    1,547.02/2,134.38 = 926.02/x
  3. Step 3: Cross multiply
    1,547.02x = 2,134.38 × 926.02
  4. Step 4: Simplify right side
    1,547.02x = 1,976,478.57
  5. Step 5: Solve for x
    x = 1,976,478.57/1,547.02
  6. Step 6: Final answer
    x = 1,277.60

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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.