Home / 1,547.60-2,137.06-1,052.08

Finding the Fourth Proportional to 1,547.60, 2,137.06 and 1,052.08

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Solution

The fourth proportional to 1,547.60, 2,137.06 and 1,052.08 is: 1,452.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,547.60 : 2,137.06 = 1,052.08 : x
  2. Step 2: Convert to fraction form
    1,547.60/2,137.06 = 1,052.08/x
  3. Step 3: Cross multiply
    1,547.60x = 2,137.06 × 1,052.08
  4. Step 4: Simplify right side
    1,547.60x = 2,248,355.45
  5. Step 5: Solve for x
    x = 2,248,355.45/1,547.60
  6. Step 6: Final answer
    x = 1,452.80

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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.