Home / 1,547.04-2,320.87-1,392.13

Finding the Fourth Proportional to 1,547.04, 2,320.87 and 1,392.13

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Solution

The fourth proportional to 1,547.04, 2,320.87 and 1,392.13 is: 2,088.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,547.04 : 2,320.87 = 1,392.13 : x
  2. Step 2: Convert to fraction form
    1,547.04/2,320.87 = 1,392.13/x
  3. Step 3: Cross multiply
    1,547.04x = 2,320.87 × 1,392.13
  4. Step 4: Simplify right side
    1,547.04x = 3,230,952.75
  5. Step 5: Solve for x
    x = 3,230,952.75/1,547.04
  6. Step 6: Final answer
    x = 2,088.47

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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.