Home / 1,547.48-2,136.90-1,153.82

Finding the Fourth Proportional to 1,547.48, 2,136.90 and 1,153.82

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Solution

The fourth proportional to 1,547.48, 2,136.90 and 1,153.82 is: 1,593.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,547.48 : 2,136.90 = 1,153.82 : x
  2. Step 2: Convert to fraction form
    1,547.48/2,136.90 = 1,153.82/x
  3. Step 3: Cross multiply
    1,547.48x = 2,136.90 × 1,153.82
  4. Step 4: Simplify right side
    1,547.48x = 2,465,597.96
  5. Step 5: Solve for x
    x = 2,465,597.96/1,547.48
  6. Step 6: Final answer
    x = 1,593.30

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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.