Home / 2,376.12-3,547.95-2,127.72

Finding the Fourth Proportional to 2,376.12, 3,547.95 and 2,127.72

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Solution

The fourth proportional to 2,376.12, 3,547.95 and 2,127.72 is: 3,177.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,376.12 : 3,547.95 = 2,127.72 : x
  2. Step 2: Convert to fraction form
    2,376.12/3,547.95 = 2,127.72/x
  3. Step 3: Cross multiply
    2,376.12x = 3,547.95 × 2,127.72
  4. Step 4: Simplify right side
    2,376.12x = 7,549,044.17
  5. Step 5: Solve for x
    x = 7,549,044.17/2,376.12
  6. Step 6: Final answer
    x = 3,177.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.